Home / 11,426.92-17,140.14-5,270.92

Finding the Fourth Proportional to 11,426.92, 17,140.14 and 5,270.92

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Solution

The fourth proportional to 11,426.92, 17,140.14 and 5,270.92 is: 7,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.92 : 17,140.14 = 5,270.92 : x
  2. Step 2: Convert to fraction form
    11,426.92/17,140.14 = 5,270.92/x
  3. Step 3: Cross multiply
    11,426.92x = 17,140.14 × 5,270.92
  4. Step 4: Simplify right side
    11,426.92x = 90,344,306.73
  5. Step 5: Solve for x
    x = 90,344,306.73/11,426.92
  6. Step 6: Final answer
    x = 7,906.27

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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.