Home / 11,261.73-15,542.35-6,481.85

Finding the Fourth Proportional to 11,261.73, 15,542.35 and 6,481.85

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Solution

The fourth proportional to 11,261.73, 15,542.35 and 6,481.85 is: 8,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.73 : 15,542.35 = 6,481.85 : x
  2. Step 2: Convert to fraction form
    11,261.73/15,542.35 = 6,481.85/x
  3. Step 3: Cross multiply
    11,261.73x = 15,542.35 × 6,481.85
  4. Step 4: Simplify right side
    11,261.73x = 100,743,204.00
  5. Step 5: Solve for x
    x = 100,743,204.00/11,261.73
  6. Step 6: Final answer
    x = 8,945.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.