Home / 12,179.12-18,267.97-3,294.32

Finding the Fourth Proportional to 12,179.12, 18,267.97 and 3,294.32

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Solution

The fourth proportional to 12,179.12, 18,267.97 and 3,294.32 is: 4,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.12 : 18,267.97 = 3,294.32 : x
  2. Step 2: Convert to fraction form
    12,179.12/18,267.97 = 3,294.32/x
  3. Step 3: Cross multiply
    12,179.12x = 18,267.97 × 3,294.32
  4. Step 4: Simplify right side
    12,179.12x = 60,180,538.93
  5. Step 5: Solve for x
    x = 60,180,538.93/12,179.12
  6. Step 6: Final answer
    x = 4,941.29

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1.5x scale

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.