Home / 12,236.80-18,352.42-5,990.56

Finding the Fourth Proportional to 12,236.80, 18,352.42 and 5,990.56

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Solution

The fourth proportional to 12,236.80, 18,352.42 and 5,990.56 is: 8,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.80 : 18,352.42 = 5,990.56 : x
  2. Step 2: Convert to fraction form
    12,236.80/18,352.42 = 5,990.56/x
  3. Step 3: Cross multiply
    12,236.80x = 18,352.42 × 5,990.56
  4. Step 4: Simplify right side
    12,236.80x = 109,941,245.99
  5. Step 5: Solve for x
    x = 109,941,245.99/12,236.80
  6. Step 6: Final answer
    x = 8,984.48

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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.