Home / 7,437.20-11,161.19-5,993.78

Finding the Fourth Proportional to 7,437.20, 11,161.19 and 5,993.78

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Solution

The fourth proportional to 7,437.20, 11,161.19 and 5,993.78 is: 8,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.20 : 11,161.19 = 5,993.78 : x
  2. Step 2: Convert to fraction form
    7,437.20/11,161.19 = 5,993.78/x
  3. Step 3: Cross multiply
    7,437.20x = 11,161.19 × 5,993.78
  4. Step 4: Simplify right side
    7,437.20x = 66,897,631.62
  5. Step 5: Solve for x
    x = 66,897,631.62/7,437.20
  6. Step 6: Final answer
    x = 8,995.01

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.