Home / 9,331.38-13,996.80-3,784.59

Finding the Fourth Proportional to 9,331.38, 13,996.80 and 3,784.59

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Solution

The fourth proportional to 9,331.38, 13,996.80 and 3,784.59 is: 5,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.38 : 13,996.80 = 3,784.59 : x
  2. Step 2: Convert to fraction form
    9,331.38/13,996.80 = 3,784.59/x
  3. Step 3: Cross multiply
    9,331.38x = 13,996.80 × 3,784.59
  4. Step 4: Simplify right side
    9,331.38x = 52,972,149.31
  5. Step 5: Solve for x
    x = 52,972,149.31/9,331.38
  6. Step 6: Final answer
    x = 5,676.78

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1.5x scale

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.