Home / 12,610.11-18,918.20-3,844.48

Finding the Fourth Proportional to 12,610.11, 18,918.20 and 3,844.48

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Solution

The fourth proportional to 12,610.11, 18,918.20 and 3,844.48 is: 5,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.11 : 18,918.20 = 3,844.48 : x
  2. Step 2: Convert to fraction form
    12,610.11/18,918.20 = 3,844.48/x
  3. Step 3: Cross multiply
    12,610.11x = 18,918.20 × 3,844.48
  4. Step 4: Simplify right side
    12,610.11x = 72,730,641.54
  5. Step 5: Solve for x
    x = 72,730,641.54/12,610.11
  6. Step 6: Final answer
    x = 5,767.65

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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.