Home / 10,979.47-16,469.13-3,583.93

Finding the Fourth Proportional to 10,979.47, 16,469.13 and 3,583.93

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Solution

The fourth proportional to 10,979.47, 16,469.13 and 3,583.93 is: 5,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.47 : 16,469.13 = 3,583.93 : x
  2. Step 2: Convert to fraction form
    10,979.47/16,469.13 = 3,583.93/x
  3. Step 3: Cross multiply
    10,979.47x = 16,469.13 × 3,583.93
  4. Step 4: Simplify right side
    10,979.47x = 59,024,209.08
  5. Step 5: Solve for x
    x = 59,024,209.08/10,979.47
  6. Step 6: Final answer
    x = 5,375.87

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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.