Home / 11,077.44-15,276.60-8,251.74

Finding the Fourth Proportional to 11,077.44, 15,276.60 and 8,251.74

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Solution

The fourth proportional to 11,077.44, 15,276.60 and 8,251.74 is: 11,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.44 : 15,276.60 = 8,251.74 : x
  2. Step 2: Convert to fraction form
    11,077.44/15,276.60 = 8,251.74/x
  3. Step 3: Cross multiply
    11,077.44x = 15,276.60 × 8,251.74
  4. Step 4: Simplify right side
    11,077.44x = 126,058,531.28
  5. Step 5: Solve for x
    x = 126,058,531.28/11,077.44
  6. Step 6: Final answer
    x = 11,379.75

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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.