Home / 12,236.92-18,355.37-3,471.91

Finding the Fourth Proportional to 12,236.92, 18,355.37 and 3,471.91

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Solution

The fourth proportional to 12,236.92, 18,355.37 and 3,471.91 is: 5,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.92 : 18,355.37 = 3,471.91 : x
  2. Step 2: Convert to fraction form
    12,236.92/18,355.37 = 3,471.91/x
  3. Step 3: Cross multiply
    12,236.92x = 18,355.37 × 3,471.91
  4. Step 4: Simplify right side
    12,236.92x = 63,728,192.66
  5. Step 5: Solve for x
    x = 63,728,192.66/12,236.92
  6. Step 6: Final answer
    x = 5,207.86

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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.