Home / 12,236.28-18,343.28-4,443.27

Finding the Fourth Proportional to 12,236.28, 18,343.28 and 4,443.27

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Solution

The fourth proportional to 12,236.28, 18,343.28 and 4,443.27 is: 6,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.28 : 18,343.28 = 4,443.27 : x
  2. Step 2: Convert to fraction form
    12,236.28/18,343.28 = 4,443.27/x
  3. Step 3: Cross multiply
    12,236.28x = 18,343.28 × 4,443.27
  4. Step 4: Simplify right side
    12,236.28x = 81,504,123.51
  5. Step 5: Solve for x
    x = 81,504,123.51/12,236.28
  6. Step 6: Final answer
    x = 6,660.86

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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.