Home / 12,184.92-18,274.58-3,863.39

Finding the Fourth Proportional to 12,184.92, 18,274.58 and 3,863.39

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Solution

The fourth proportional to 12,184.92, 18,274.58 and 3,863.39 is: 5,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.92 : 18,274.58 = 3,863.39 : x
  2. Step 2: Convert to fraction form
    12,184.92/18,274.58 = 3,863.39/x
  3. Step 3: Cross multiply
    12,184.92x = 18,274.58 × 3,863.39
  4. Step 4: Simplify right side
    12,184.92x = 70,601,718.94
  5. Step 5: Solve for x
    x = 70,601,718.94/12,184.92
  6. Step 6: Final answer
    x = 5,794.19

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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.