Home / 12,299.09-18,446.33-3,293.30

Finding the Fourth Proportional to 12,299.09, 18,446.33 and 3,293.30

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Solution

The fourth proportional to 12,299.09, 18,446.33 and 3,293.30 is: 4,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.09 : 18,446.33 = 3,293.30 : x
  2. Step 2: Convert to fraction form
    12,299.09/18,446.33 = 3,293.30/x
  3. Step 3: Cross multiply
    12,299.09x = 18,446.33 × 3,293.30
  4. Step 4: Simplify right side
    12,299.09x = 60,749,352.94
  5. Step 5: Solve for x
    x = 60,749,352.94/12,299.09
  6. Step 6: Final answer
    x = 4,939.34

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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.