Home / 8,169.62-12,256.02-2,622.54

Finding the Fourth Proportional to 8,169.62, 12,256.02 and 2,622.54

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Solution

The fourth proportional to 8,169.62, 12,256.02 and 2,622.54 is: 3,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.62 : 12,256.02 = 2,622.54 : x
  2. Step 2: Convert to fraction form
    8,169.62/12,256.02 = 2,622.54/x
  3. Step 3: Cross multiply
    8,169.62x = 12,256.02 × 2,622.54
  4. Step 4: Simplify right side
    8,169.62x = 32,141,828.30
  5. Step 5: Solve for x
    x = 32,141,828.30/8,169.62
  6. Step 6: Final answer
    x = 3,934.31

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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.