Home / 11,272.56-16,908.42-3,481.36

Finding the Fourth Proportional to 11,272.56, 16,908.42 and 3,481.36

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Solution

The fourth proportional to 11,272.56, 16,908.42 and 3,481.36 is: 5,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.56 : 16,908.42 = 3,481.36 : x
  2. Step 2: Convert to fraction form
    11,272.56/16,908.42 = 3,481.36/x
  3. Step 3: Cross multiply
    11,272.56x = 16,908.42 × 3,481.36
  4. Step 4: Simplify right side
    11,272.56x = 58,864,297.05
  5. Step 5: Solve for x
    x = 58,864,297.05/11,272.56
  6. Step 6: Final answer
    x = 5,221.91

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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.