Home / 8,609.12-11,881.44-5,254.18

Finding the Fourth Proportional to 8,609.12, 11,881.44 and 5,254.18

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Solution

The fourth proportional to 8,609.12, 11,881.44 and 5,254.18 is: 7,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.12 : 11,881.44 = 5,254.18 : x
  2. Step 2: Convert to fraction form
    8,609.12/11,881.44 = 5,254.18/x
  3. Step 3: Cross multiply
    8,609.12x = 11,881.44 × 5,254.18
  4. Step 4: Simplify right side
    8,609.12x = 62,427,211.28
  5. Step 5: Solve for x
    x = 62,427,211.28/8,609.12
  6. Step 6: Final answer
    x = 7,251.29

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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.