Home / 10,260.41-15,390.62-2,469.22

Finding the Fourth Proportional to 10,260.41, 15,390.62 and 2,469.22

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Solution

The fourth proportional to 10,260.41, 15,390.62 and 2,469.22 is: 3,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.41 : 15,390.62 = 2,469.22 : x
  2. Step 2: Convert to fraction form
    10,260.41/15,390.62 = 2,469.22/x
  3. Step 3: Cross multiply
    10,260.41x = 15,390.62 × 2,469.22
  4. Step 4: Simplify right side
    10,260.41x = 38,002,871.73
  5. Step 5: Solve for x
    x = 38,002,871.73/10,260.41
  6. Step 6: Final answer
    x = 3,703.84

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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.