Home / 10,565.20-14,575.40-6,371.04

Finding the Fourth Proportional to 10,565.20, 14,575.40 and 6,371.04

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Solution

The fourth proportional to 10,565.20, 14,575.40 and 6,371.04 is: 8,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.20 : 14,575.40 = 6,371.04 : x
  2. Step 2: Convert to fraction form
    10,565.20/14,575.40 = 6,371.04/x
  3. Step 3: Cross multiply
    10,565.20x = 14,575.40 × 6,371.04
  4. Step 4: Simplify right side
    10,565.20x = 92,860,456.42
  5. Step 5: Solve for x
    x = 92,860,456.42/10,565.20
  6. Step 6: Final answer
    x = 8,789.28

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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.