Home / 10,755.95-16,140.27-4,517.06

Finding the Fourth Proportional to 10,755.95, 16,140.27 and 4,517.06

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Solution

The fourth proportional to 10,755.95, 16,140.27 and 4,517.06 is: 6,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.95 : 16,140.27 = 4,517.06 : x
  2. Step 2: Convert to fraction form
    10,755.95/16,140.27 = 4,517.06/x
  3. Step 3: Cross multiply
    10,755.95x = 16,140.27 × 4,517.06
  4. Step 4: Simplify right side
    10,755.95x = 72,906,568.01
  5. Step 5: Solve for x
    x = 72,906,568.01/10,755.95
  6. Step 6: Final answer
    x = 6,778.25

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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.