Home / 8,132.39-11,217.04-6,451.44

Finding the Fourth Proportional to 8,132.39, 11,217.04 and 6,451.44

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Solution

The fourth proportional to 8,132.39, 11,217.04 and 6,451.44 is: 8,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.39 : 11,217.04 = 6,451.44 : x
  2. Step 2: Convert to fraction form
    8,132.39/11,217.04 = 6,451.44/x
  3. Step 3: Cross multiply
    8,132.39x = 11,217.04 × 6,451.44
  4. Step 4: Simplify right side
    8,132.39x = 72,366,060.54
  5. Step 5: Solve for x
    x = 72,366,060.54/8,132.39
  6. Step 6: Final answer
    x = 8,898.50

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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.