Home / 9,157.92-13,725.91-4,717.70

Finding the Fourth Proportional to 9,157.92, 13,725.91 and 4,717.70

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Solution

The fourth proportional to 9,157.92, 13,725.91 and 4,717.70 is: 7,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.92 : 13,725.91 = 4,717.70 : x
  2. Step 2: Convert to fraction form
    9,157.92/13,725.91 = 4,717.70/x
  3. Step 3: Cross multiply
    9,157.92x = 13,725.91 × 4,717.70
  4. Step 4: Simplify right side
    9,157.92x = 64,754,726.41
  5. Step 5: Solve for x
    x = 64,754,726.41/9,157.92
  6. Step 6: Final answer
    x = 7,070.90

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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.