Home / 8,174.39-12,263.85-2,910.60

Finding the Fourth Proportional to 8,174.39, 12,263.85 and 2,910.60

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Solution

The fourth proportional to 8,174.39, 12,263.85 and 2,910.60 is: 4,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.39 : 12,263.85 = 2,910.60 : x
  2. Step 2: Convert to fraction form
    8,174.39/12,263.85 = 2,910.60/x
  3. Step 3: Cross multiply
    8,174.39x = 12,263.85 × 2,910.60
  4. Step 4: Simplify right side
    8,174.39x = 35,695,161.81
  5. Step 5: Solve for x
    x = 35,695,161.81/8,174.39
  6. Step 6: Final answer
    x = 4,366.71

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1.5x scale

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.