Home / 12,176.92-18,265.17-3,856.92

Finding the Fourth Proportional to 12,176.92, 18,265.17 and 3,856.92

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Solution

The fourth proportional to 12,176.92, 18,265.17 and 3,856.92 is: 5,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.92 : 18,265.17 = 3,856.92 : x
  2. Step 2: Convert to fraction form
    12,176.92/18,265.17 = 3,856.92/x
  3. Step 3: Cross multiply
    12,176.92x = 18,265.17 × 3,856.92
  4. Step 4: Simplify right side
    12,176.92x = 70,447,208.15
  5. Step 5: Solve for x
    x = 70,447,208.15/12,176.92
  6. Step 6: Final answer
    x = 5,785.31

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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.