Home / 7,922.52-11,905.32-4,227.36

Finding the Fourth Proportional to 7,922.52, 11,905.32 and 4,227.36

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Solution

The fourth proportional to 7,922.52, 11,905.32 and 4,227.36 is: 6,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.52 : 11,905.32 = 4,227.36 : x
  2. Step 2: Convert to fraction form
    7,922.52/11,905.32 = 4,227.36/x
  3. Step 3: Cross multiply
    7,922.52x = 11,905.32 × 4,227.36
  4. Step 4: Simplify right side
    7,922.52x = 50,328,073.56
  5. Step 5: Solve for x
    x = 50,328,073.56/7,922.52
  6. Step 6: Final answer
    x = 6,352.53

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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.