Question
Download Solution PDFIf p is the third proportional to 3, 9, then what is the fourth proportional to 6, p, 4?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
p is the third proportional to 3, 9
Calculation:
Let the fourth proportion be x
p is the third proportional to 3, 9
⇒ 3/9 = 9/p
⇒ 3p = 81
⇒ p = 27
Now,
The fourth proportion is
⇒ 6/27 = 4/x
⇒ 6x = (27 × 4)
⇒ 6x = 108
⇒ x = 18
∴ The value of fourth proportion is 18
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