Home / 8,713.24-13,069.77-3,786.41

Finding the Fourth Proportional to 8,713.24, 13,069.77 and 3,786.41

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Solution

The fourth proportional to 8,713.24, 13,069.77 and 3,786.41 is: 5,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.24 : 13,069.77 = 3,786.41 : x
  2. Step 2: Convert to fraction form
    8,713.24/13,069.77 = 3,786.41/x
  3. Step 3: Cross multiply
    8,713.24x = 13,069.77 × 3,786.41
  4. Step 4: Simplify right side
    8,713.24x = 49,487,526.30
  5. Step 5: Solve for x
    x = 49,487,526.30/8,713.24
  6. Step 6: Final answer
    x = 5,679.58

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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.