Home / 12,194.20-18,290.39-4,403.02

Finding the Fourth Proportional to 12,194.20, 18,290.39 and 4,403.02

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Solution

The fourth proportional to 12,194.20, 18,290.39 and 4,403.02 is: 6,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.20 : 18,290.39 = 4,403.02 : x
  2. Step 2: Convert to fraction form
    12,194.20/18,290.39 = 4,403.02/x
  3. Step 3: Cross multiply
    12,194.20x = 18,290.39 × 4,403.02
  4. Step 4: Simplify right side
    12,194.20x = 80,532,839.51
  5. Step 5: Solve for x
    x = 80,532,839.51/12,194.20
  6. Step 6: Final answer
    x = 6,604.19

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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.