Proportion Word Problem practice

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you set up a proportion?

Back

To set up a proportion, you can use the formula a/b = c/d, where a and b are one ratio, and c and d are another ratio.

Front

What does the scale 1 inch : 10 miles mean?

Back

It means that every 1 inch on the map represents 10 miles in real life.

Front

If a map has a scale of 1 cm : 13 km, how do you find the distance on the map?

Back

To find the distance on the map, divide the real distance by the scale factor.

Front

What is the real-life distance if a treasure is 3.5 inches away on a map with a scale of 1 inch : 10 miles?

Back

35 miles.

Front

If Shane can bake 120 dozen cookies in 5 days, how do you find out how many days it takes to bake 800 dozen cookies?

Back

Set up a proportion: 120/5 = 800/x, then solve for x.

Front

What is the distance between Fairview and Rockville if they are 104 km apart on a map with a scale of 1 cm : 13 km?

Back

8 cm.

Front

How do you convert centimeters on a map to kilometers in real life?

Back

Multiply the number of centimeters by the scale factor to find the real-life distance.

Front

If 1 cm represents 25 kilometers, how many kilometers does 7 cm represent?

Back

175 kilometers.

Front

What is the scale of a model giraffe if 1 inch represents 3 feet?

Back

The scale is 1 in : 3 ft.