Home / 7,183.39-9,912.94-3,996.62

Finding the Fourth Proportional to 7,183.39, 9,912.94 and 3,996.62

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Solution

The fourth proportional to 7,183.39, 9,912.94 and 3,996.62 is: 5,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.39 : 9,912.94 = 3,996.62 : x
  2. Step 2: Convert to fraction form
    7,183.39/9,912.94 = 3,996.62/x
  3. Step 3: Cross multiply
    7,183.39x = 9,912.94 × 3,996.62
  4. Step 4: Simplify right side
    7,183.39x = 39,618,254.26
  5. Step 5: Solve for x
    x = 39,618,254.26/7,183.39
  6. Step 6: Final answer
    x = 5,515.26

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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.