Home / 9,245.62-12,761.18-5,267.71

Finding the Fourth Proportional to 9,245.62, 12,761.18 and 5,267.71

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Solution

The fourth proportional to 9,245.62, 12,761.18 and 5,267.71 is: 7,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.62 : 12,761.18 = 5,267.71 : x
  2. Step 2: Convert to fraction form
    9,245.62/12,761.18 = 5,267.71/x
  3. Step 3: Cross multiply
    9,245.62x = 12,761.18 × 5,267.71
  4. Step 4: Simplify right side
    9,245.62x = 67,222,195.50
  5. Step 5: Solve for x
    x = 67,222,195.50/9,245.62
  6. Step 6: Final answer
    x = 7,270.71

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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.