Home / 7,844.67-11,768.76-2,650.41

Finding the Fourth Proportional to 7,844.67, 11,768.76 and 2,650.41

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Solution

The fourth proportional to 7,844.67, 11,768.76 and 2,650.41 is: 3,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.67 : 11,768.76 = 2,650.41 : x
  2. Step 2: Convert to fraction form
    7,844.67/11,768.76 = 2,650.41/x
  3. Step 3: Cross multiply
    7,844.67x = 11,768.76 × 2,650.41
  4. Step 4: Simplify right side
    7,844.67x = 31,192,039.19
  5. Step 5: Solve for x
    x = 31,192,039.19/7,844.67
  6. Step 6: Final answer
    x = 3,976.21

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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.