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Finding the Fourth Proportional to 8,641.16, 11,909.18 and 6,502.17

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Solution

The fourth proportional to 8,641.16, 11,909.18 and 6,502.17 is: 8,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.16 : 11,909.18 = 6,502.17 : x
  2. Step 2: Convert to fraction form
    8,641.16/11,909.18 = 6,502.17/x
  3. Step 3: Cross multiply
    8,641.16x = 11,909.18 × 6,502.17
  4. Step 4: Simplify right side
    8,641.16x = 77,435,512.92
  5. Step 5: Solve for x
    x = 77,435,512.92/8,641.16
  6. Step 6: Final answer
    x = 8,961.24

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Double scale
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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.