Home / 6,887.11-9,504.21-4,092.61

Finding the Fourth Proportional to 6,887.11, 9,504.21 and 4,092.61

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Solution

The fourth proportional to 6,887.11, 9,504.21 and 4,092.61 is: 5,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.11 : 9,504.21 = 4,092.61 : x
  2. Step 2: Convert to fraction form
    6,887.11/9,504.21 = 4,092.61/x
  3. Step 3: Cross multiply
    6,887.11x = 9,504.21 × 4,092.61
  4. Step 4: Simplify right side
    6,887.11x = 38,897,022.78
  5. Step 5: Solve for x
    x = 38,897,022.78/6,887.11
  6. Step 6: Final answer
    x = 5,647.80

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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.