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Finding the Fourth Proportional to 8,363.52, 11,537.48 and 6,487.52

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Solution

The fourth proportional to 8,363.52, 11,537.48 and 6,487.52 is: 8,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.52 : 11,537.48 = 6,487.52 : x
  2. Step 2: Convert to fraction form
    8,363.52/11,537.48 = 6,487.52/x
  3. Step 3: Cross multiply
    8,363.52x = 11,537.48 × 6,487.52
  4. Step 4: Simplify right side
    8,363.52x = 74,849,632.25
  5. Step 5: Solve for x
    x = 74,849,632.25/8,363.52
  6. Step 6: Final answer
    x = 8,949.54

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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.