Home / 11,107.97-16,642.52-6,481.25

Finding the Fourth Proportional to 11,107.97, 16,642.52 and 6,481.25

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Solution

The fourth proportional to 11,107.97, 16,642.52 and 6,481.25 is: 9,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.97 : 16,642.52 = 6,481.25 : x
  2. Step 2: Convert to fraction form
    11,107.97/16,642.52 = 6,481.25/x
  3. Step 3: Cross multiply
    11,107.97x = 16,642.52 × 6,481.25
  4. Step 4: Simplify right side
    11,107.97x = 107,864,300.34
  5. Step 5: Solve for x
    x = 107,864,300.34/11,107.97
  6. Step 6: Final answer
    x = 9,710.53

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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.