Home / 8,732.62-12,050.34-5,147.88

Finding the Fourth Proportional to 8,732.62, 12,050.34 and 5,147.88

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Solution

The fourth proportional to 8,732.62, 12,050.34 and 5,147.88 is: 7,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.62 : 12,050.34 = 5,147.88 : x
  2. Step 2: Convert to fraction form
    8,732.62/12,050.34 = 5,147.88/x
  3. Step 3: Cross multiply
    8,732.62x = 12,050.34 × 5,147.88
  4. Step 4: Simplify right side
    8,732.62x = 62,033,704.28
  5. Step 5: Solve for x
    x = 62,033,704.28/8,732.62
  6. Step 6: Final answer
    x = 7,103.68

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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.