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Finding the Fourth Proportional to 9,252.54, 12,755.70 and 6,263.64

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Solution

The fourth proportional to 9,252.54, 12,755.70 and 6,263.64 is: 8,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.54 : 12,755.70 = 6,263.64 : x
  2. Step 2: Convert to fraction form
    9,252.54/12,755.70 = 6,263.64/x
  3. Step 3: Cross multiply
    9,252.54x = 12,755.70 × 6,263.64
  4. Step 4: Simplify right side
    9,252.54x = 79,897,112.75
  5. Step 5: Solve for x
    x = 79,897,112.75/9,252.54
  6. Step 6: Final answer
    x = 8,635.15

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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.