Home / 11,387.36-17,072.40-9,452

Finding the Fourth Proportional to 11,387.36, 17,072.40 and 9,452

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Solution

The fourth proportional to 11,387.36, 17,072.40 and 9,452 is: 14,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.36 : 17,072.40 = 9,452 : x
  2. Step 2: Convert to fraction form
    11,387.36/17,072.40 = 9,452/x
  3. Step 3: Cross multiply
    11,387.36x = 17,072.40 × 9,452
  4. Step 4: Simplify right side
    11,387.36x = 161,368,324.80
  5. Step 5: Solve for x
    x = 161,368,324.80/11,387.36
  6. Step 6: Final answer
    x = 14,170.83

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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.