Home / 12,240.92-18,361.36-3,475.92

Finding the Fourth Proportional to 12,240.92, 18,361.36 and 3,475.92

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Solution

The fourth proportional to 12,240.92, 18,361.36 and 3,475.92 is: 5,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.92 : 18,361.36 = 3,475.92 : x
  2. Step 2: Convert to fraction form
    12,240.92/18,361.36 = 3,475.92/x
  3. Step 3: Cross multiply
    12,240.92x = 18,361.36 × 3,475.92
  4. Step 4: Simplify right side
    12,240.92x = 63,822,618.45
  5. Step 5: Solve for x
    x = 63,822,618.45/12,240.92
  6. Step 6: Final answer
    x = 5,213.87

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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.