Home / 12,633.46-18,950.83-3,399.54

Finding the Fourth Proportional to 12,633.46, 18,950.83 and 3,399.54

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Solution

The fourth proportional to 12,633.46, 18,950.83 and 3,399.54 is: 5,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.46 : 18,950.83 = 3,399.54 : x
  2. Step 2: Convert to fraction form
    12,633.46/18,950.83 = 3,399.54/x
  3. Step 3: Cross multiply
    12,633.46x = 18,950.83 × 3,399.54
  4. Step 4: Simplify right side
    12,633.46x = 64,424,104.62
  5. Step 5: Solve for x
    x = 64,424,104.62/12,633.46
  6. Step 6: Final answer
    x = 5,099.48

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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.