Home / 12,736.20-19,104.06-6,160.56

Finding the Fourth Proportional to 12,736.20, 19,104.06 and 6,160.56

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Solution

The fourth proportional to 12,736.20, 19,104.06 and 6,160.56 is: 9,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.20 : 19,104.06 = 6,160.56 : x
  2. Step 2: Convert to fraction form
    12,736.20/19,104.06 = 6,160.56/x
  3. Step 3: Cross multiply
    12,736.20x = 19,104.06 × 6,160.56
  4. Step 4: Simplify right side
    12,736.20x = 117,691,707.87
  5. Step 5: Solve for x
    x = 117,691,707.87/12,736.20
  6. Step 6: Final answer
    x = 9,240.72

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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.