Home / 11,371.17-15,691.82-6,335.13

Finding the Fourth Proportional to 11,371.17, 15,691.82 and 6,335.13

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Solution

The fourth proportional to 11,371.17, 15,691.82 and 6,335.13 is: 8,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.17 : 15,691.82 = 6,335.13 : x
  2. Step 2: Convert to fraction form
    11,371.17/15,691.82 = 6,335.13/x
  3. Step 3: Cross multiply
    11,371.17x = 15,691.82 × 6,335.13
  4. Step 4: Simplify right side
    11,371.17x = 99,409,719.64
  5. Step 5: Solve for x
    x = 99,409,719.64/11,371.17
  6. Step 6: Final answer
    x = 8,742.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.