Home / 9,243.46-12,755.69-5,265.14

Finding the Fourth Proportional to 9,243.46, 12,755.69 and 5,265.14

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Solution

The fourth proportional to 9,243.46, 12,755.69 and 5,265.14 is: 7,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.46 : 12,755.69 = 5,265.14 : x
  2. Step 2: Convert to fraction form
    9,243.46/12,755.69 = 5,265.14/x
  3. Step 3: Cross multiply
    9,243.46x = 12,755.69 × 5,265.14
  4. Step 4: Simplify right side
    9,243.46x = 67,160,493.65
  5. Step 5: Solve for x
    x = 67,160,493.65/9,243.46
  6. Step 6: Final answer
    x = 7,265.73

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Half scale
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Double scale
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Similar ratio
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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.