Home / 11,404.56-15,799.17-11,132.40

Finding the Fourth Proportional to 11,404.56, 15,799.17 and 11,132.40

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Solution

The fourth proportional to 11,404.56, 15,799.17 and 11,132.40 is: 15,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.56 : 15,799.17 = 11,132.40 : x
  2. Step 2: Convert to fraction form
    11,404.56/15,799.17 = 11,132.40/x
  3. Step 3: Cross multiply
    11,404.56x = 15,799.17 × 11,132.40
  4. Step 4: Simplify right side
    11,404.56x = 175,882,680.11
  5. Step 5: Solve for x
    x = 175,882,680.11/11,404.56
  6. Step 6: Final answer
    x = 15,422.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.