Home / 12,246.48-18,369.87-3,481.38

Finding the Fourth Proportional to 12,246.48, 18,369.87 and 3,481.38

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Solution

The fourth proportional to 12,246.48, 18,369.87 and 3,481.38 is: 5,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.48 : 18,369.87 = 3,481.38 : x
  2. Step 2: Convert to fraction form
    12,246.48/18,369.87 = 3,481.38/x
  3. Step 3: Cross multiply
    12,246.48x = 18,369.87 × 3,481.38
  4. Step 4: Simplify right side
    12,246.48x = 63,952,498.02
  5. Step 5: Solve for x
    x = 63,952,498.02/12,246.48
  6. Step 6: Final answer
    x = 5,222.11

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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.