Home / 12,396.12-18,593.94-3,630.84

Finding the Fourth Proportional to 12,396.12, 18,593.94 and 3,630.84

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Solution

The fourth proportional to 12,396.12, 18,593.94 and 3,630.84 is: 5,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.12 : 18,593.94 = 3,630.84 : x
  2. Step 2: Convert to fraction form
    12,396.12/18,593.94 = 3,630.84/x
  3. Step 3: Cross multiply
    12,396.12x = 18,593.94 × 3,630.84
  4. Step 4: Simplify right side
    12,396.12x = 67,511,621.11
  5. Step 5: Solve for x
    x = 67,511,621.11/12,396.12
  6. Step 6: Final answer
    x = 5,446.19

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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.