Home / 8,625.36-12,937.68-2,469.36

Finding the Fourth Proportional to 8,625.36, 12,937.68 and 2,469.36

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Solution

The fourth proportional to 8,625.36, 12,937.68 and 2,469.36 is: 3,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.36 : 12,937.68 = 2,469.36 : x
  2. Step 2: Convert to fraction form
    8,625.36/12,937.68 = 2,469.36/x
  3. Step 3: Cross multiply
    8,625.36x = 12,937.68 × 2,469.36
  4. Step 4: Simplify right side
    8,625.36x = 31,947,789.48
  5. Step 5: Solve for x
    x = 31,947,789.48/8,625.36
  6. Step 6: Final answer
    x = 3,703.94

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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.