Home / 11,715.88-17,565.54-5,469.28

Finding the Fourth Proportional to 11,715.88, 17,565.54 and 5,469.28

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Solution

The fourth proportional to 11,715.88, 17,565.54 and 5,469.28 is: 8,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.88 : 17,565.54 = 5,469.28 : x
  2. Step 2: Convert to fraction form
    11,715.88/17,565.54 = 5,469.28/x
  3. Step 3: Cross multiply
    11,715.88x = 17,565.54 × 5,469.28
  4. Step 4: Simplify right side
    11,715.88x = 96,070,856.61
  5. Step 5: Solve for x
    x = 96,070,856.61/11,715.88
  6. Step 6: Final answer
    x = 8,200.05

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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.