Solve Ratios

Find the missing value(s) for the ratio table.

• a = 36

  b = 108

• a = 108

  b = 36

• a = 32

  b = 90

• a = 108

  b = 90

What is C?

• 80

• 24

• 96

• 92

Solve for x 

• x = 15

• x = 11

• x = 1/11

• x = 20

Solve the proportion: \frac{2}{7}=\frac{c}{28}

• c = 4

• c = 8

• c = 14

• c = 10

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Solving Proportions

• k=5

• k=3.3333333

• k=60

• k=90

What is the missing number in the ratio table?

• 72

• 85

• 76

• 90

Find THREE equivalent ratios for 4/5. Select all that apply.

• 5:4

• 12:15

• 5 to 4

• 40 to 50

Find the missing value.

• 2

• 4

• 6

• 12

Find the missing values in the ratio table. 

• 35, 12

• 14, 100

• 15, 30

• cannot be determined

Another kind of ratio relationship you can find is to look inside a ratio itself. 2:6 is the top ratio in this table.

To get from 2 to 6, you would multiply by 3. Look at each row and notice that this times 3 relationship continues.

What is the value of x?

• 30

• 3

• 15

• 20