Home / 11,259.54-16,889.66-3,863.90

Finding the Fourth Proportional to 11,259.54, 16,889.66 and 3,863.90

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Solution

The fourth proportional to 11,259.54, 16,889.66 and 3,863.90 is: 5,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.54 : 16,889.66 = 3,863.90 : x
  2. Step 2: Convert to fraction form
    11,259.54/16,889.66 = 3,863.90/x
  3. Step 3: Cross multiply
    11,259.54x = 16,889.66 × 3,863.90
  4. Step 4: Simplify right side
    11,259.54x = 65,259,957.27
  5. Step 5: Solve for x
    x = 65,259,957.27/11,259.54
  6. Step 6: Final answer
    x = 5,795.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.