Home / 8,575.47-12,864.42-2,732.13

Finding the Fourth Proportional to 8,575.47, 12,864.42 and 2,732.13

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Solution

The fourth proportional to 8,575.47, 12,864.42 and 2,732.13 is: 4,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.47 : 12,864.42 = 2,732.13 : x
  2. Step 2: Convert to fraction form
    8,575.47/12,864.42 = 2,732.13/x
  3. Step 3: Cross multiply
    8,575.47x = 12,864.42 × 2,732.13
  4. Step 4: Simplify right side
    8,575.47x = 35,147,267.81
  5. Step 5: Solve for x
    x = 35,147,267.81/8,575.47
  6. Step 6: Final answer
    x = 4,098.58

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1.5x scale

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.