Home / 10,265.73-15,398.18-7,136.70

Finding the Fourth Proportional to 10,265.73, 15,398.18 and 7,136.70

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Solution

The fourth proportional to 10,265.73, 15,398.18 and 7,136.70 is: 10,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.73 : 15,398.18 = 7,136.70 : x
  2. Step 2: Convert to fraction form
    10,265.73/15,398.18 = 7,136.70/x
  3. Step 3: Cross multiply
    10,265.73x = 15,398.18 × 7,136.70
  4. Step 4: Simplify right side
    10,265.73x = 109,892,191.21
  5. Step 5: Solve for x
    x = 109,892,191.21/10,265.73
  6. Step 6: Final answer
    x = 10,704.76

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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.