Home / 9,331.35-13,983.30-5,383.80

Finding the Fourth Proportional to 9,331.35, 13,983.30 and 5,383.80

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Solution

The fourth proportional to 9,331.35, 13,983.30 and 5,383.80 is: 8,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.35 : 13,983.30 = 5,383.80 : x
  2. Step 2: Convert to fraction form
    9,331.35/13,983.30 = 5,383.80/x
  3. Step 3: Cross multiply
    9,331.35x = 13,983.30 × 5,383.80
  4. Step 4: Simplify right side
    9,331.35x = 75,283,290.54
  5. Step 5: Solve for x
    x = 75,283,290.54/9,331.35
  6. Step 6: Final answer
    x = 8,067.78

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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.