Home / 12,232.06-18,350.78-3,912.75

Finding the Fourth Proportional to 12,232.06, 18,350.78 and 3,912.75

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Solution

The fourth proportional to 12,232.06, 18,350.78 and 3,912.75 is: 5,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.06 : 18,350.78 = 3,912.75 : x
  2. Step 2: Convert to fraction form
    12,232.06/18,350.78 = 3,912.75/x
  3. Step 3: Cross multiply
    12,232.06x = 18,350.78 × 3,912.75
  4. Step 4: Simplify right side
    12,232.06x = 71,802,014.45
  5. Step 5: Solve for x
    x = 71,802,014.45/12,232.06
  6. Step 6: Final answer
    x = 5,869.99

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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.