Home / 10,443.25-15,664.88-3,517.75

Finding the Fourth Proportional to 10,443.25, 15,664.88 and 3,517.75

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Solution

The fourth proportional to 10,443.25, 15,664.88 and 3,517.75 is: 5,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.25 : 15,664.88 = 3,517.75 : x
  2. Step 2: Convert to fraction form
    10,443.25/15,664.88 = 3,517.75/x
  3. Step 3: Cross multiply
    10,443.25x = 15,664.88 × 3,517.75
  4. Step 4: Simplify right side
    10,443.25x = 55,105,131.62
  5. Step 5: Solve for x
    x = 55,105,131.62/10,443.25
  6. Step 6: Final answer
    x = 5,276.63

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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.