Home / 11,475.38-17,203.08-9,731.72

Finding the Fourth Proportional to 11,475.38, 17,203.08 and 9,731.72

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Solution

The fourth proportional to 11,475.38, 17,203.08 and 9,731.72 is: 14,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.38 : 17,203.08 = 9,731.72 : x
  2. Step 2: Convert to fraction form
    11,475.38/17,203.08 = 9,731.72/x
  3. Step 3: Cross multiply
    11,475.38x = 17,203.08 × 9,731.72
  4. Step 4: Simplify right side
    11,475.38x = 167,415,557.70
  5. Step 5: Solve for x
    x = 167,415,557.70/11,475.38
  6. Step 6: Final answer
    x = 14,589.11

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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.