Home / 10,794.36-16,174.49-8,149.35

Finding the Fourth Proportional to 10,794.36, 16,174.49 and 8,149.35

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Solution

The fourth proportional to 10,794.36, 16,174.49 and 8,149.35 is: 12,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.36 : 16,174.49 = 8,149.35 : x
  2. Step 2: Convert to fraction form
    10,794.36/16,174.49 = 8,149.35/x
  3. Step 3: Cross multiply
    10,794.36x = 16,174.49 × 8,149.35
  4. Step 4: Simplify right side
    10,794.36x = 131,811,600.14
  5. Step 5: Solve for x
    x = 131,811,600.14/10,794.36
  6. Step 6: Final answer
    x = 12,211.15

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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.