Home / 8,723.94-13,089.38-3,177.66

Finding the Fourth Proportional to 8,723.94, 13,089.38 and 3,177.66

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Solution

The fourth proportional to 8,723.94, 13,089.38 and 3,177.66 is: 4,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.94 : 13,089.38 = 3,177.66 : x
  2. Step 2: Convert to fraction form
    8,723.94/13,089.38 = 3,177.66/x
  3. Step 3: Cross multiply
    8,723.94x = 13,089.38 × 3,177.66
  4. Step 4: Simplify right side
    8,723.94x = 41,593,599.25
  5. Step 5: Solve for x
    x = 41,593,599.25/8,723.94
  6. Step 6: Final answer
    x = 4,767.75

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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.