Home / 11,010.78-15,194.64-5,974.92

Finding the Fourth Proportional to 11,010.78, 15,194.64 and 5,974.92

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Solution

The fourth proportional to 11,010.78, 15,194.64 and 5,974.92 is: 8,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.78 : 15,194.64 = 5,974.92 : x
  2. Step 2: Convert to fraction form
    11,010.78/15,194.64 = 5,974.92/x
  3. Step 3: Cross multiply
    11,010.78x = 15,194.64 × 5,974.92
  4. Step 4: Simplify right side
    11,010.78x = 90,786,758.43
  5. Step 5: Solve for x
    x = 90,786,758.43/11,010.78
  6. Step 6: Final answer
    x = 8,245.26

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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.