Home / 11,371.19-15,691.12-6,335.21

Finding the Fourth Proportional to 11,371.19, 15,691.12 and 6,335.21

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Solution

The fourth proportional to 11,371.19, 15,691.12 and 6,335.21 is: 8,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.19 : 15,691.12 = 6,335.21 : x
  2. Step 2: Convert to fraction form
    11,371.19/15,691.12 = 6,335.21/x
  3. Step 3: Cross multiply
    11,371.19x = 15,691.12 × 6,335.21
  4. Step 4: Simplify right side
    11,371.19x = 99,406,563.72
  5. Step 5: Solve for x
    x = 99,406,563.72/11,371.19
  6. Step 6: Final answer
    x = 8,741.97

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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.