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Finding the Fourth Proportional to 9,504.76, 13,115.10 and 5,312.20

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Solution

The fourth proportional to 9,504.76, 13,115.10 and 5,312.20 is: 7,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.76 : 13,115.10 = 5,312.20 : x
  2. Step 2: Convert to fraction form
    9,504.76/13,115.10 = 5,312.20/x
  3. Step 3: Cross multiply
    9,504.76x = 13,115.10 × 5,312.20
  4. Step 4: Simplify right side
    9,504.76x = 69,670,034.22
  5. Step 5: Solve for x
    x = 69,670,034.22/9,504.76
  6. Step 6: Final answer
    x = 7,330.02

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Find fourth proportional to 4,752.38, 6,557.55 and 2,656.10
Half scale
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Double scale
Find fourth proportional to 9,505.76, 13,116.48 and 5,313.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.