Home / 7,876.11-11,814.59-3,195.42

Finding the Fourth Proportional to 7,876.11, 11,814.59 and 3,195.42

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Solution

The fourth proportional to 7,876.11, 11,814.59 and 3,195.42 is: 4,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.11 : 11,814.59 = 3,195.42 : x
  2. Step 2: Convert to fraction form
    7,876.11/11,814.59 = 3,195.42/x
  3. Step 3: Cross multiply
    7,876.11x = 11,814.59 × 3,195.42
  4. Step 4: Simplify right side
    7,876.11x = 37,752,577.18
  5. Step 5: Solve for x
    x = 37,752,577.18/7,876.11
  6. Step 6: Final answer
    x = 4,793.30

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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.