Home / 12,234.49-18,352.94-3,912.41

Finding the Fourth Proportional to 12,234.49, 18,352.94 and 3,912.41

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Solution

The fourth proportional to 12,234.49, 18,352.94 and 3,912.41 is: 5,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.49 : 18,352.94 = 3,912.41 : x
  2. Step 2: Convert to fraction form
    12,234.49/18,352.94 = 3,912.41/x
  3. Step 3: Cross multiply
    12,234.49x = 18,352.94 × 3,912.41
  4. Step 4: Simplify right side
    12,234.49x = 71,804,281.65
  5. Step 5: Solve for x
    x = 71,804,281.65/12,234.49
  6. Step 6: Final answer
    x = 5,869.01

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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.