Home / 10,876.31-16,299.20-4,627.87

Finding the Fourth Proportional to 10,876.31, 16,299.20 and 4,627.87

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Solution

The fourth proportional to 10,876.31, 16,299.20 and 4,627.87 is: 6,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.31 : 16,299.20 = 4,627.87 : x
  2. Step 2: Convert to fraction form
    10,876.31/16,299.20 = 4,627.87/x
  3. Step 3: Cross multiply
    10,876.31x = 16,299.20 × 4,627.87
  4. Step 4: Simplify right side
    10,876.31x = 75,430,578.70
  5. Step 5: Solve for x
    x = 75,430,578.70/10,876.31
  6. Step 6: Final answer
    x = 6,935.31

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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.