Home / 8,077.71-11,147.19-4,540.94

Finding the Fourth Proportional to 8,077.71, 11,147.19 and 4,540.94

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Solution

The fourth proportional to 8,077.71, 11,147.19 and 4,540.94 is: 6,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.71 : 11,147.19 = 4,540.94 : x
  2. Step 2: Convert to fraction form
    8,077.71/11,147.19 = 4,540.94/x
  3. Step 3: Cross multiply
    8,077.71x = 11,147.19 × 4,540.94
  4. Step 4: Simplify right side
    8,077.71x = 50,618,760.18
  5. Step 5: Solve for x
    x = 50,618,760.18/8,077.71
  6. Step 6: Final answer
    x = 6,266.48

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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.