Home / 11,229.72-16,840.44-3,731.92

Finding the Fourth Proportional to 11,229.72, 16,840.44 and 3,731.92

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Solution

The fourth proportional to 11,229.72, 16,840.44 and 3,731.92 is: 5,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.72 : 16,840.44 = 3,731.92 : x
  2. Step 2: Convert to fraction form
    11,229.72/16,840.44 = 3,731.92/x
  3. Step 3: Cross multiply
    11,229.72x = 16,840.44 × 3,731.92
  4. Step 4: Simplify right side
    11,229.72x = 62,847,174.84
  5. Step 5: Solve for x
    x = 62,847,174.84/11,229.72
  6. Step 6: Final answer
    x = 5,596.50

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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.