Home / 10,610.57-15,916.90-3,947.43

Finding the Fourth Proportional to 10,610.57, 15,916.90 and 3,947.43

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Solution

The fourth proportional to 10,610.57, 15,916.90 and 3,947.43 is: 5,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.57 : 15,916.90 = 3,947.43 : x
  2. Step 2: Convert to fraction form
    10,610.57/15,916.90 = 3,947.43/x
  3. Step 3: Cross multiply
    10,610.57x = 15,916.90 × 3,947.43
  4. Step 4: Simplify right side
    10,610.57x = 62,830,848.57
  5. Step 5: Solve for x
    x = 62,830,848.57/10,610.57
  6. Step 6: Final answer
    x = 5,921.53

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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.