Home / 11,218.29-15,481.13-6,182.38

Finding the Fourth Proportional to 11,218.29, 15,481.13 and 6,182.38

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Solution

The fourth proportional to 11,218.29, 15,481.13 and 6,182.38 is: 8,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.29 : 15,481.13 = 6,182.38 : x
  2. Step 2: Convert to fraction form
    11,218.29/15,481.13 = 6,182.38/x
  3. Step 3: Cross multiply
    11,218.29x = 15,481.13 × 6,182.38
  4. Step 4: Simplify right side
    11,218.29x = 95,710,228.49
  5. Step 5: Solve for x
    x = 95,710,228.49/11,218.29
  6. Step 6: Final answer
    x = 8,531.62

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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.