Home / 12,542.92-17,308.96-6,877.52

Finding the Fourth Proportional to 12,542.92, 17,308.96 and 6,877.52

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Solution

The fourth proportional to 12,542.92, 17,308.96 and 6,877.52 is: 9,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.92 : 17,308.96 = 6,877.52 : x
  2. Step 2: Convert to fraction form
    12,542.92/17,308.96 = 6,877.52/x
  3. Step 3: Cross multiply
    12,542.92x = 17,308.96 × 6,877.52
  4. Step 4: Simplify right side
    12,542.92x = 119,042,718.58
  5. Step 5: Solve for x
    x = 119,042,718.58/12,542.92
  6. Step 6: Final answer
    x = 9,490.83

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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.