Home / 8,179.52-12,268.05-2,632.13

Finding the Fourth Proportional to 8,179.52, 12,268.05 and 2,632.13

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Solution

The fourth proportional to 8,179.52, 12,268.05 and 2,632.13 is: 3,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.52 : 12,268.05 = 2,632.13 : x
  2. Step 2: Convert to fraction form
    8,179.52/12,268.05 = 2,632.13/x
  3. Step 3: Cross multiply
    8,179.52x = 12,268.05 × 2,632.13
  4. Step 4: Simplify right side
    8,179.52x = 32,291,041.11
  5. Step 5: Solve for x
    x = 32,291,041.11/8,179.52
  6. Step 6: Final answer
    x = 3,947.79

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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.