Home / 10,474.87-15,708.96-3,453.57

Finding the Fourth Proportional to 10,474.87, 15,708.96 and 3,453.57

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Solution

The fourth proportional to 10,474.87, 15,708.96 and 3,453.57 is: 5,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.87 : 15,708.96 = 3,453.57 : x
  2. Step 2: Convert to fraction form
    10,474.87/15,708.96 = 3,453.57/x
  3. Step 3: Cross multiply
    10,474.87x = 15,708.96 × 3,453.57
  4. Step 4: Simplify right side
    10,474.87x = 54,252,046.88
  5. Step 5: Solve for x
    x = 54,252,046.88/10,474.87
  6. Step 6: Final answer
    x = 5,179.26

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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.