Home / 9,186.78-13,771.97-3,339.27

Finding the Fourth Proportional to 9,186.78, 13,771.97 and 3,339.27

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Solution

The fourth proportional to 9,186.78, 13,771.97 and 3,339.27 is: 5,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.78 : 13,771.97 = 3,339.27 : x
  2. Step 2: Convert to fraction form
    9,186.78/13,771.97 = 3,339.27/x
  3. Step 3: Cross multiply
    9,186.78x = 13,771.97 × 3,339.27
  4. Step 4: Simplify right side
    9,186.78x = 45,988,309.57
  5. Step 5: Solve for x
    x = 45,988,309.57/9,186.78
  6. Step 6: Final answer
    x = 5,005.92

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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.