Home / 11,042.42-15,232.12-6,843.38

Finding the Fourth Proportional to 11,042.42, 15,232.12 and 6,843.38

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Solution

The fourth proportional to 11,042.42, 15,232.12 and 6,843.38 is: 9,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.42 : 15,232.12 = 6,843.38 : x
  2. Step 2: Convert to fraction form
    11,042.42/15,232.12 = 6,843.38/x
  3. Step 3: Cross multiply
    11,042.42x = 15,232.12 × 6,843.38
  4. Step 4: Simplify right side
    11,042.42x = 104,239,092.10
  5. Step 5: Solve for x
    x = 104,239,092.10/11,042.42
  6. Step 6: Final answer
    x = 9,439.88

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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.