Home / 11,236.12-15,512.06-6,760.97

Finding the Fourth Proportional to 11,236.12, 15,512.06 and 6,760.97

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Solution

The fourth proportional to 11,236.12, 15,512.06 and 6,760.97 is: 9,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.12 : 15,512.06 = 6,760.97 : x
  2. Step 2: Convert to fraction form
    11,236.12/15,512.06 = 6,760.97/x
  3. Step 3: Cross multiply
    11,236.12x = 15,512.06 × 6,760.97
  4. Step 4: Simplify right side
    11,236.12x = 104,876,531.78
  5. Step 5: Solve for x
    x = 104,876,531.78/11,236.12
  6. Step 6: Final answer
    x = 9,333.88

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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.