Home / 12,168.32-16,792.20-6,863.18

Finding the Fourth Proportional to 12,168.32, 16,792.20 and 6,863.18

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Solution

The fourth proportional to 12,168.32, 16,792.20 and 6,863.18 is: 9,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.32 : 16,792.20 = 6,863.18 : x
  2. Step 2: Convert to fraction form
    12,168.32/16,792.20 = 6,863.18/x
  3. Step 3: Cross multiply
    12,168.32x = 16,792.20 × 6,863.18
  4. Step 4: Simplify right side
    12,168.32x = 115,247,891.20
  5. Step 5: Solve for x
    x = 115,247,891.20/12,168.32
  6. Step 6: Final answer
    x = 9,471.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.