Math, asked by ruthuvergin2000, 8 months ago

the fourth proportional to 12,4 and 21 is

Answers

Answered by Anonymous

1

Answer:

Hello✌️✌️✌️✌️

Step-by-step explanation:

Let the fourth proportional be x

12:4::21:x

12x = 21*4

x = 84/12 = 7

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