Home / 12,766.36-19,144.68-5,836

Finding the Fourth Proportional to 12,766.36, 19,144.68 and 5,836

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Solution

The fourth proportional to 12,766.36, 19,144.68 and 5,836 is: 8,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.36 : 19,144.68 = 5,836 : x
  2. Step 2: Convert to fraction form
    12,766.36/19,144.68 = 5,836/x
  3. Step 3: Cross multiply
    12,766.36x = 19,144.68 × 5,836
  4. Step 4: Simplify right side
    12,766.36x = 111,728,352.48
  5. Step 5: Solve for x
    x = 111,728,352.48/12,766.36
  6. Step 6: Final answer
    x = 8,751.78

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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.