Home / 10,151.12-15,233.16-3,916.16

Finding the Fourth Proportional to 10,151.12, 15,233.16 and 3,916.16

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Solution

The fourth proportional to 10,151.12, 15,233.16 and 3,916.16 is: 5,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.12 : 15,233.16 = 3,916.16 : x
  2. Step 2: Convert to fraction form
    10,151.12/15,233.16 = 3,916.16/x
  3. Step 3: Cross multiply
    10,151.12x = 15,233.16 × 3,916.16
  4. Step 4: Simplify right side
    10,151.12x = 59,655,491.87
  5. Step 5: Solve for x
    x = 59,655,491.87/10,151.12
  6. Step 6: Final answer
    x = 5,876.74

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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.