Honors Geometry Companion Book, Volume 2

7.1.1 Ratio and Proportion - Practice

1.  The ratio of the side lengths of a quadrilateral is 2:7:8:12, and the perimeter is 522 cm. What is the measure of the shortest side?

2.  Solve the proportion. = x x 5 20

3.  Solve the proportion. + = − s s 5 9 16 5

4.  Given that 12 x = 15 y , find the ratio of x to y in simplest form.

6.  A scale model of a tower is 24 inches tall and 18 inches wide. If the height of the actual tower is 60 feet, what is its width?

5.  A regulation-sized gymnasium is 80 feet wide and 100 feet long. If a scale model of the gymnasium is 12 inches long, how wide is the model?

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