Home / 8,475.19-12,713.09-2,631.65

Finding the Fourth Proportional to 8,475.19, 12,713.09 and 2,631.65

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Solution

The fourth proportional to 8,475.19, 12,713.09 and 2,631.65 is: 3,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.19 : 12,713.09 = 2,631.65 : x
  2. Step 2: Convert to fraction form
    8,475.19/12,713.09 = 2,631.65/x
  3. Step 3: Cross multiply
    8,475.19x = 12,713.09 × 2,631.65
  4. Step 4: Simplify right side
    8,475.19x = 33,456,326.57
  5. Step 5: Solve for x
    x = 33,456,326.57/8,475.19
  6. Step 6: Final answer
    x = 3,947.56

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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.