Home / 8,265.13-12,397.68-3,000.13

Finding the Fourth Proportional to 8,265.13, 12,397.68 and 3,000.13

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Solution

The fourth proportional to 8,265.13, 12,397.68 and 3,000.13 is: 4,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.13 : 12,397.68 = 3,000.13 : x
  2. Step 2: Convert to fraction form
    8,265.13/12,397.68 = 3,000.13/x
  3. Step 3: Cross multiply
    8,265.13x = 12,397.68 × 3,000.13
  4. Step 4: Simplify right side
    8,265.13x = 37,194,620.70
  5. Step 5: Solve for x
    x = 37,194,620.70/8,265.13
  6. Step 6: Final answer
    x = 4,500.19

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Double scale
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Similar ratio
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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.