Question

Find x if four numbers 7;9; 84; x are in proportion

Answer 1

Answer is 108

Step-by-step explanation:

STEPS:

7/9 ×84/x (Method cross multiplication)

◇ 7x = 9×84

◇ x = 9×84/7 (7 multiplied by 12 is 84)

◇x = 9×12

◇x =108

x =108

Therefore x = 108