Home / 11,514.72-17,273.70-5,671.38

Finding the Fourth Proportional to 11,514.72, 17,273.70 and 5,671.38

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Solution

The fourth proportional to 11,514.72, 17,273.70 and 5,671.38 is: 8,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.72 : 17,273.70 = 5,671.38 : x
  2. Step 2: Convert to fraction form
    11,514.72/17,273.70 = 5,671.38/x
  3. Step 3: Cross multiply
    11,514.72x = 17,273.70 × 5,671.38
  4. Step 4: Simplify right side
    11,514.72x = 97,965,716.71
  5. Step 5: Solve for x
    x = 97,965,716.71/11,514.72
  6. Step 6: Final answer
    x = 8,507.87

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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.