Home / 8,872.74-13,308.65-2,632.80

Finding the Fourth Proportional to 8,872.74, 13,308.65 and 2,632.80

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Solution

The fourth proportional to 8,872.74, 13,308.65 and 2,632.80 is: 3,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.74 : 13,308.65 = 2,632.80 : x
  2. Step 2: Convert to fraction form
    8,872.74/13,308.65 = 2,632.80/x
  3. Step 3: Cross multiply
    8,872.74x = 13,308.65 × 2,632.80
  4. Step 4: Simplify right side
    8,872.74x = 35,039,000.56
  5. Step 5: Solve for x
    x = 35,039,000.56/8,872.74
  6. Step 6: Final answer
    x = 3,949.06

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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.