Home / 8,755.16-12,086.58-6,761.24

Finding the Fourth Proportional to 8,755.16, 12,086.58 and 6,761.24

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Solution

The fourth proportional to 8,755.16, 12,086.58 and 6,761.24 is: 9,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.16 : 12,086.58 = 6,761.24 : x
  2. Step 2: Convert to fraction form
    8,755.16/12,086.58 = 6,761.24/x
  3. Step 3: Cross multiply
    8,755.16x = 12,086.58 × 6,761.24
  4. Step 4: Simplify right side
    8,755.16x = 81,720,268.16
  5. Step 5: Solve for x
    x = 81,720,268.16/8,755.16
  6. Step 6: Final answer
    x = 9,333.95

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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.