Home / 10,561.92-15,827.76-5,371.44

Finding the Fourth Proportional to 10,561.92, 15,827.76 and 5,371.44

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Solution

The fourth proportional to 10,561.92, 15,827.76 and 5,371.44 is: 8,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.92 : 15,827.76 = 5,371.44 : x
  2. Step 2: Convert to fraction form
    10,561.92/15,827.76 = 5,371.44/x
  3. Step 3: Cross multiply
    10,561.92x = 15,827.76 × 5,371.44
  4. Step 4: Simplify right side
    10,561.92x = 85,017,863.17
  5. Step 5: Solve for x
    x = 85,017,863.17/10,561.92
  6. Step 6: Final answer
    x = 8,049.47

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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.