PRACTICE EXERCISES 1: Rewrite the given proportion according to
ratios is equal" or "the pair or ratios form a proportion
Use the cross-multiplicatio
property to verify if the rati
equal. Simplify if necessa
is done for you.
2(12) = 8(3)
24 = 24
2
8
12
3
12
Original proportion
Alternation property of the original
proportion
Inverse property of the original
proportion
Addition property of the original
proportion
Subtraction property of the original
proportion
Sum property of the original
proportion
PRESENTATION OF THE LESSON
PROPORTIONALITY THEOREMS​