Home / 11,377.17-17,073.50-6,981.21

Finding the Fourth Proportional to 11,377.17, 17,073.50 and 6,981.21

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Solution

The fourth proportional to 11,377.17, 17,073.50 and 6,981.21 is: 10,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.17 : 17,073.50 = 6,981.21 : x
  2. Step 2: Convert to fraction form
    11,377.17/17,073.50 = 6,981.21/x
  3. Step 3: Cross multiply
    11,377.17x = 17,073.50 × 6,981.21
  4. Step 4: Simplify right side
    11,377.17x = 119,193,654.03
  5. Step 5: Solve for x
    x = 119,193,654.03/11,377.17
  6. Step 6: Final answer
    x = 10,476.56

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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.