Home / 11,083.97-15,301.53-8,560.42

Finding the Fourth Proportional to 11,083.97, 15,301.53 and 8,560.42

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Solution

The fourth proportional to 11,083.97, 15,301.53 and 8,560.42 is: 11,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.97 : 15,301.53 = 8,560.42 : x
  2. Step 2: Convert to fraction form
    11,083.97/15,301.53 = 8,560.42/x
  3. Step 3: Cross multiply
    11,083.97x = 15,301.53 × 8,560.42
  4. Step 4: Simplify right side
    11,083.97x = 130,987,523.44
  5. Step 5: Solve for x
    x = 130,987,523.44/11,083.97
  6. Step 6: Final answer
    x = 11,817.74

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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.