Home / 7,664.76-11,496.92-2,118.44

Finding the Fourth Proportional to 7,664.76, 11,496.92 and 2,118.44

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Solution

The fourth proportional to 7,664.76, 11,496.92 and 2,118.44 is: 3,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.76 : 11,496.92 = 2,118.44 : x
  2. Step 2: Convert to fraction form
    7,664.76/11,496.92 = 2,118.44/x
  3. Step 3: Cross multiply
    7,664.76x = 11,496.92 × 2,118.44
  4. Step 4: Simplify right side
    7,664.76x = 24,355,535.20
  5. Step 5: Solve for x
    x = 24,355,535.20/7,664.76
  6. Step 6: Final answer
    x = 3,177.60

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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.