Home / 8,414.06-11,609.76-5,268.42

Finding the Fourth Proportional to 8,414.06, 11,609.76 and 5,268.42

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Solution

The fourth proportional to 8,414.06, 11,609.76 and 5,268.42 is: 7,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.06 : 11,609.76 = 5,268.42 : x
  2. Step 2: Convert to fraction form
    8,414.06/11,609.76 = 5,268.42/x
  3. Step 3: Cross multiply
    8,414.06x = 11,609.76 × 5,268.42
  4. Step 4: Simplify right side
    8,414.06x = 61,165,091.78
  5. Step 5: Solve for x
    x = 61,165,091.78/8,414.06
  6. Step 6: Final answer
    x = 7,269.39

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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.