Home / 8,077.76-11,147.12-4,540.96

Finding the Fourth Proportional to 8,077.76, 11,147.12 and 4,540.96

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Solution

The fourth proportional to 8,077.76, 11,147.12 and 4,540.96 is: 6,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.76 : 11,147.12 = 4,540.96 : x
  2. Step 2: Convert to fraction form
    8,077.76/11,147.12 = 4,540.96/x
  3. Step 3: Cross multiply
    8,077.76x = 11,147.12 × 4,540.96
  4. Step 4: Simplify right side
    8,077.76x = 50,618,626.04
  5. Step 5: Solve for x
    x = 50,618,626.04/8,077.76
  6. Step 6: Final answer
    x = 6,266.42

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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.