Home / 11,427.92-17,142.32-3,529.73

Finding the Fourth Proportional to 11,427.92, 17,142.32 and 3,529.73

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Solution

The fourth proportional to 11,427.92, 17,142.32 and 3,529.73 is: 5,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.92 : 17,142.32 = 3,529.73 : x
  2. Step 2: Convert to fraction form
    11,427.92/17,142.32 = 3,529.73/x
  3. Step 3: Cross multiply
    11,427.92x = 17,142.32 × 3,529.73
  4. Step 4: Simplify right side
    11,427.92x = 60,507,716.43
  5. Step 5: Solve for x
    x = 60,507,716.43/11,427.92
  6. Step 6: Final answer
    x = 5,294.73

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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.