Home / 6,909.28-10,355.28-3,447.52

Finding the Fourth Proportional to 6,909.28, 10,355.28 and 3,447.52

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Solution

The fourth proportional to 6,909.28, 10,355.28 and 3,447.52 is: 5,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.28 : 10,355.28 = 3,447.52 : x
  2. Step 2: Convert to fraction form
    6,909.28/10,355.28 = 3,447.52/x
  3. Step 3: Cross multiply
    6,909.28x = 10,355.28 × 3,447.52
  4. Step 4: Simplify right side
    6,909.28x = 35,700,034.91
  5. Step 5: Solve for x
    x = 35,700,034.91/6,909.28
  6. Step 6: Final answer
    x = 5,166.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.