Home / 6,856.45-10,286.22-2,176.62

Finding the Fourth Proportional to 6,856.45, 10,286.22 and 2,176.62

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Solution

The fourth proportional to 6,856.45, 10,286.22 and 2,176.62 is: 3,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.45 : 10,286.22 = 2,176.62 : x
  2. Step 2: Convert to fraction form
    6,856.45/10,286.22 = 2,176.62/x
  3. Step 3: Cross multiply
    6,856.45x = 10,286.22 × 2,176.62
  4. Step 4: Simplify right side
    6,856.45x = 22,389,149.94
  5. Step 5: Solve for x
    x = 22,389,149.94/6,856.45
  6. Step 6: Final answer
    x = 3,265.41

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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.