Home / 8,111.73-11,194.19-4,385.73

Finding the Fourth Proportional to 8,111.73, 11,194.19 and 4,385.73

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Solution

The fourth proportional to 8,111.73, 11,194.19 and 4,385.73 is: 6,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.73 : 11,194.19 = 4,385.73 : x
  2. Step 2: Convert to fraction form
    8,111.73/11,194.19 = 4,385.73/x
  3. Step 3: Cross multiply
    8,111.73x = 11,194.19 × 4,385.73
  4. Step 4: Simplify right side
    8,111.73x = 49,094,672.98
  5. Step 5: Solve for x
    x = 49,094,672.98/8,111.73
  6. Step 6: Final answer
    x = 6,052.31

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Half scale
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Double scale
Find fourth proportional to 8,112.73, 11,195.56 and 4,386.73
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.