Home / 8,875.12-13,310.38-2,633.66

Finding the Fourth Proportional to 8,875.12, 13,310.38 and 2,633.66

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Solution

The fourth proportional to 8,875.12, 13,310.38 and 2,633.66 is: 3,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.12 : 13,310.38 = 2,633.66 : x
  2. Step 2: Convert to fraction form
    8,875.12/13,310.38 = 2,633.66/x
  3. Step 3: Cross multiply
    8,875.12x = 13,310.38 × 2,633.66
  4. Step 4: Simplify right side
    8,875.12x = 35,055,062.10
  5. Step 5: Solve for x
    x = 35,055,062.10/8,875.12
  6. Step 6: Final answer
    x = 3,949.81

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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.