Home / 8,846.80-13,257.92-3,909.04

Finding the Fourth Proportional to 8,846.80, 13,257.92 and 3,909.04

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Solution

The fourth proportional to 8,846.80, 13,257.92 and 3,909.04 is: 5,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.80 : 13,257.92 = 3,909.04 : x
  2. Step 2: Convert to fraction form
    8,846.80/13,257.92 = 3,909.04/x
  3. Step 3: Cross multiply
    8,846.80x = 13,257.92 × 3,909.04
  4. Step 4: Simplify right side
    8,846.80x = 51,825,739.60
  5. Step 5: Solve for x
    x = 51,825,739.60/8,846.80
  6. Step 6: Final answer
    x = 5,858.13

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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.