Home / 11,080.48-15,283.45-6,600.78

Finding the Fourth Proportional to 11,080.48, 15,283.45 and 6,600.78

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Solution

The fourth proportional to 11,080.48, 15,283.45 and 6,600.78 is: 9,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.48 : 15,283.45 = 6,600.78 : x
  2. Step 2: Convert to fraction form
    11,080.48/15,283.45 = 6,600.78/x
  3. Step 3: Cross multiply
    11,080.48x = 15,283.45 × 6,600.78
  4. Step 4: Simplify right side
    11,080.48x = 100,882,691.09
  5. Step 5: Solve for x
    x = 100,882,691.09/11,080.48
  6. Step 6: Final answer
    x = 9,104.54

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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.