Home / 11,704.88-16,171.56-8,183.60

Finding the Fourth Proportional to 11,704.88, 16,171.56 and 8,183.60

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Solution

The fourth proportional to 11,704.88, 16,171.56 and 8,183.60 is: 11,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.88 : 16,171.56 = 8,183.60 : x
  2. Step 2: Convert to fraction form
    11,704.88/16,171.56 = 8,183.60/x
  3. Step 3: Cross multiply
    11,704.88x = 16,171.56 × 8,183.60
  4. Step 4: Simplify right side
    11,704.88x = 132,341,578.42
  5. Step 5: Solve for x
    x = 132,341,578.42/11,704.88
  6. Step 6: Final answer
    x = 11,306.53

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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.