Home / 6,876.17-10,312.61-3,174.85

Finding the Fourth Proportional to 6,876.17, 10,312.61 and 3,174.85

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Solution

The fourth proportional to 6,876.17, 10,312.61 and 3,174.85 is: 4,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.17 : 10,312.61 = 3,174.85 : x
  2. Step 2: Convert to fraction form
    6,876.17/10,312.61 = 3,174.85/x
  3. Step 3: Cross multiply
    6,876.17x = 10,312.61 × 3,174.85
  4. Step 4: Simplify right side
    6,876.17x = 32,740,937.80
  5. Step 5: Solve for x
    x = 32,740,937.80/6,876.17
  6. Step 6: Final answer
    x = 4,761.50

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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.