Applications of Proportions

You have a class photo that is 10 inches long and 8 inches wide if you want to enlarge your photo to be 15 inches long how wide would it be.

• 16 in.

• 9 in.

• 12 in.

• 15 in.

Tags

CCSS.7.RP.A.2C

A building is 50 feet tall and cast a 150-foot shadow, a nearby stop sign cast a 24-foot shadow. How tall is the stop sign?

• 8 ft

• 10 ft

• 12 ft

• 24 ft

Tags

CCSS.7.RP.A.3

Julian bought three mangos for $2.70. How many mangos can Jay buy if he has $37.80?

• 34
• 47
• 54
• 42

Tags

CCSS.6.RP.A.3B

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft
• 20.75 ft
• 24.75 ft
• 22 ft

Tags

CCSS.7.RP.A.2C

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

CCSS.HSG.SRT.B.5

The currency in China is the Yuan. The exchange rate is approximately 7.7 Yuan = $6.50. At this rate, how many dollars would Dawson get if he exchanged 37.2 Yuan?
*Round dollar amounts to the nearest cent*

• $33.28
• $44.07
• $30.62
• $31.40

Tags

CCSS.6.RP.A.3B

A model of a house was built using the scale 5in:25ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft
• 7.5 ft 
• 4.5 ft
• 45 in

Tags

CCSS.6.RP.A.3B

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft
• 20.75 ft
• 24.75 ft
• 22 ft

Tags

CCSS.7.RP.A.2C

A fence post that is 2 meters tall casts a shadow 5 meters long.  At the same time a tree casts a shadow 108 meters.  How tall is the tree?

• 33.2 meters
• 332 meters
• 43.2 meters
• 432 meters

Tags

CCSS.HSG.SRT.B.4

Cody has a rectangular backyard that is 6.8 feet wide and 5.5 feet long.  If Carissa has a similar backyard that is 34 feet wide, what is the length of her backyard?
*Round your answer to the nearest tenth*

• 27.5 ft
• 15 ft
• 1.1 ft
• 29.7 ft

Tags

CCSS.6.RP.A.3B