Home / 8,169.92-12,252.36-2,623.04

Finding the Fourth Proportional to 8,169.92, 12,252.36 and 2,623.04

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Solution

The fourth proportional to 8,169.92, 12,252.36 and 2,623.04 is: 3,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.92 : 12,252.36 = 2,623.04 : x
  2. Step 2: Convert to fraction form
    8,169.92/12,252.36 = 2,623.04/x
  3. Step 3: Cross multiply
    8,169.92x = 12,252.36 × 2,623.04
  4. Step 4: Simplify right side
    8,169.92x = 32,138,430.37
  5. Step 5: Solve for x
    x = 32,138,430.37/8,169.92
  6. Step 6: Final answer
    x = 3,933.75

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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.