Home / 8,261.06-11,391.44-6,243.62

Finding the Fourth Proportional to 8,261.06, 11,391.44 and 6,243.62

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Solution

The fourth proportional to 8,261.06, 11,391.44 and 6,243.62 is: 8,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.06 : 11,391.44 = 6,243.62 : x
  2. Step 2: Convert to fraction form
    8,261.06/11,391.44 = 6,243.62/x
  3. Step 3: Cross multiply
    8,261.06x = 11,391.44 × 6,243.62
  4. Step 4: Simplify right side
    8,261.06x = 71,123,822.61
  5. Step 5: Solve for x
    x = 71,123,822.61/8,261.06
  6. Step 6: Final answer
    x = 8,609.53

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Half scale
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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.