Home / 10,472.64-15,711.26-3,452.37

Finding the Fourth Proportional to 10,472.64, 15,711.26 and 3,452.37

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Solution

The fourth proportional to 10,472.64, 15,711.26 and 3,452.37 is: 5,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.64 : 15,711.26 = 3,452.37 : x
  2. Step 2: Convert to fraction form
    10,472.64/15,711.26 = 3,452.37/x
  3. Step 3: Cross multiply
    10,472.64x = 15,711.26 × 3,452.37
  4. Step 4: Simplify right side
    10,472.64x = 54,241,065.42
  5. Step 5: Solve for x
    x = 54,241,065.42/10,472.64
  6. Step 6: Final answer
    x = 5,179.31

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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.