Home / 8,049.32-12,075.71-3,305.49

Finding the Fourth Proportional to 8,049.32, 12,075.71 and 3,305.49

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Solution

The fourth proportional to 8,049.32, 12,075.71 and 3,305.49 is: 4,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.32 : 12,075.71 = 3,305.49 : x
  2. Step 2: Convert to fraction form
    8,049.32/12,075.71 = 3,305.49/x
  3. Step 3: Cross multiply
    8,049.32x = 12,075.71 × 3,305.49
  4. Step 4: Simplify right side
    8,049.32x = 39,916,138.65
  5. Step 5: Solve for x
    x = 39,916,138.65/8,049.32
  6. Step 6: Final answer
    x = 4,958.95

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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.