Home / 11,700.20-17,531.10-9,741.80

Finding the Fourth Proportional to 11,700.20, 17,531.10 and 9,741.80

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Solution

The fourth proportional to 11,700.20, 17,531.10 and 9,741.80 is: 14,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.20 : 17,531.10 = 9,741.80 : x
  2. Step 2: Convert to fraction form
    11,700.20/17,531.10 = 9,741.80/x
  3. Step 3: Cross multiply
    11,700.20x = 17,531.10 × 9,741.80
  4. Step 4: Simplify right side
    11,700.20x = 170,784,469.98
  5. Step 5: Solve for x
    x = 170,784,469.98/11,700.20
  6. Step 6: Final answer
    x = 14,596.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.