Home / 8,909.72-13,366.22-3,716.04

Finding the Fourth Proportional to 8,909.72, 13,366.22 and 3,716.04

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Solution

The fourth proportional to 8,909.72, 13,366.22 and 3,716.04 is: 5,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.72 : 13,366.22 = 3,716.04 : x
  2. Step 2: Convert to fraction form
    8,909.72/13,366.22 = 3,716.04/x
  3. Step 3: Cross multiply
    8,909.72x = 13,366.22 × 3,716.04
  4. Step 4: Simplify right side
    8,909.72x = 49,669,408.17
  5. Step 5: Solve for x
    x = 49,669,408.17/8,909.72
  6. Step 6: Final answer
    x = 5,574.74

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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.