Home / 7,183.46-9,912.15-3,996.56

Finding the Fourth Proportional to 7,183.46, 9,912.15 and 3,996.56

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Solution

The fourth proportional to 7,183.46, 9,912.15 and 3,996.56 is: 5,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.46 : 9,912.15 = 3,996.56 : x
  2. Step 2: Convert to fraction form
    7,183.46/9,912.15 = 3,996.56/x
  3. Step 3: Cross multiply
    7,183.46x = 9,912.15 × 3,996.56
  4. Step 4: Simplify right side
    7,183.46x = 39,614,502.20
  5. Step 5: Solve for x
    x = 39,614,502.20/7,183.46
  6. Step 6: Final answer
    x = 5,514.68

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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.