Home / 10,151.87-15,234.29-3,916.91

Finding the Fourth Proportional to 10,151.87, 15,234.29 and 3,916.91

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Solution

The fourth proportional to 10,151.87, 15,234.29 and 3,916.91 is: 5,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.87 : 15,234.29 = 3,916.91 : x
  2. Step 2: Convert to fraction form
    10,151.87/15,234.29 = 3,916.91/x
  3. Step 3: Cross multiply
    10,151.87x = 15,234.29 × 3,916.91
  4. Step 4: Simplify right side
    10,151.87x = 59,671,323.26
  5. Step 5: Solve for x
    x = 59,671,323.26/10,151.87
  6. Step 6: Final answer
    x = 5,877.87

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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.