Home / 11,477.31-17,215.97-3,691.59

Finding the Fourth Proportional to 11,477.31, 17,215.97 and 3,691.59

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Solution

The fourth proportional to 11,477.31, 17,215.97 and 3,691.59 is: 5,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.31 : 17,215.97 = 3,691.59 : x
  2. Step 2: Convert to fraction form
    11,477.31/17,215.97 = 3,691.59/x
  3. Step 3: Cross multiply
    11,477.31x = 17,215.97 × 3,691.59
  4. Step 4: Simplify right side
    11,477.31x = 63,554,284.23
  5. Step 5: Solve for x
    x = 63,554,284.23/11,477.31
  6. Step 6: Final answer
    x = 5,537.39

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Similar ratio
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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.