Home / 11,680.13-17,510.38-5,436.97

Finding the Fourth Proportional to 11,680.13, 17,510.38 and 5,436.97

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Solution

The fourth proportional to 11,680.13, 17,510.38 and 5,436.97 is: 8,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.13 : 17,510.38 = 5,436.97 : x
  2. Step 2: Convert to fraction form
    11,680.13/17,510.38 = 5,436.97/x
  3. Step 3: Cross multiply
    11,680.13x = 17,510.38 × 5,436.97
  4. Step 4: Simplify right side
    11,680.13x = 95,203,353.38
  5. Step 5: Solve for x
    x = 95,203,353.38/11,680.13
  6. Step 6: Final answer
    x = 8,150.88

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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.