Home / 11,342.53-15,654.57-6,625.90

Finding the Fourth Proportional to 11,342.53, 15,654.57 and 6,625.90

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Solution

The fourth proportional to 11,342.53, 15,654.57 and 6,625.90 is: 9,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.53 : 15,654.57 = 6,625.90 : x
  2. Step 2: Convert to fraction form
    11,342.53/15,654.57 = 6,625.90/x
  3. Step 3: Cross multiply
    11,342.53x = 15,654.57 × 6,625.90
  4. Step 4: Simplify right side
    11,342.53x = 103,725,610.08
  5. Step 5: Solve for x
    x = 103,725,610.08/11,342.53
  6. Step 6: Final answer
    x = 9,144.84

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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.