Home / 12,542.14-17,308.36-6,877.43

Finding the Fourth Proportional to 12,542.14, 17,308.36 and 6,877.43

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Solution

The fourth proportional to 12,542.14, 17,308.36 and 6,877.43 is: 9,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.14 : 17,308.36 = 6,877.43 : x
  2. Step 2: Convert to fraction form
    12,542.14/17,308.36 = 6,877.43/x
  3. Step 3: Cross multiply
    12,542.14x = 17,308.36 × 6,877.43
  4. Step 4: Simplify right side
    12,542.14x = 119,037,050.61
  5. Step 5: Solve for x
    x = 119,037,050.61/12,542.14
  6. Step 6: Final answer
    x = 9,490.97

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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.