Home / 11,234.76-15,487.56-7,866.96

Finding the Fourth Proportional to 11,234.76, 15,487.56 and 7,866.96

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Solution

The fourth proportional to 11,234.76, 15,487.56 and 7,866.96 is: 10,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.76 : 15,487.56 = 7,866.96 : x
  2. Step 2: Convert to fraction form
    11,234.76/15,487.56 = 7,866.96/x
  3. Step 3: Cross multiply
    11,234.76x = 15,487.56 × 7,866.96
  4. Step 4: Simplify right side
    11,234.76x = 121,840,015.02
  5. Step 5: Solve for x
    x = 121,840,015.02/11,234.76
  6. Step 6: Final answer
    x = 10,844.91

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Double scale
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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.