Home / 12,179.20-16,799.33-8,599.41

Finding the Fourth Proportional to 12,179.20, 16,799.33 and 8,599.41

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Solution

The fourth proportional to 12,179.20, 16,799.33 and 8,599.41 is: 11,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.20 : 16,799.33 = 8,599.41 : x
  2. Step 2: Convert to fraction form
    12,179.20/16,799.33 = 8,599.41/x
  3. Step 3: Cross multiply
    12,179.20x = 16,799.33 × 8,599.41
  4. Step 4: Simplify right side
    12,179.20x = 144,464,326.40
  5. Step 5: Solve for x
    x = 144,464,326.40/12,179.20
  6. Step 6: Final answer
    x = 11,861.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.