Home / 10,474.39-15,711.96-3,454.58

Finding the Fourth Proportional to 10,474.39, 15,711.96 and 3,454.58

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Solution

The fourth proportional to 10,474.39, 15,711.96 and 3,454.58 is: 5,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.39 : 15,711.96 = 3,454.58 : x
  2. Step 2: Convert to fraction form
    10,474.39/15,711.96 = 3,454.58/x
  3. Step 3: Cross multiply
    10,474.39x = 15,711.96 × 3,454.58
  4. Step 4: Simplify right side
    10,474.39x = 54,278,157.17
  5. Step 5: Solve for x
    x = 54,278,157.17/10,474.39
  6. Step 6: Final answer
    x = 5,181.99

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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.