Home / 12,168.56-16,792.61-6,863.37

Finding the Fourth Proportional to 12,168.56, 16,792.61 and 6,863.37

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Solution

The fourth proportional to 12,168.56, 16,792.61 and 6,863.37 is: 9,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.56 : 16,792.61 = 6,863.37 : x
  2. Step 2: Convert to fraction form
    12,168.56/16,792.61 = 6,863.37/x
  3. Step 3: Cross multiply
    12,168.56x = 16,792.61 × 6,863.37
  4. Step 4: Simplify right side
    12,168.56x = 115,253,895.70
  5. Step 5: Solve for x
    x = 115,253,895.70/12,168.56
  6. Step 6: Final answer
    x = 9,471.45

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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.