Home / 11,625.89-16,016.60-8,082.95

Finding the Fourth Proportional to 11,625.89, 16,016.60 and 8,082.95

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Solution

The fourth proportional to 11,625.89, 16,016.60 and 8,082.95 is: 11,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.89 : 16,016.60 = 8,082.95 : x
  2. Step 2: Convert to fraction form
    11,625.89/16,016.60 = 8,082.95/x
  3. Step 3: Cross multiply
    11,625.89x = 16,016.60 × 8,082.95
  4. Step 4: Simplify right side
    11,625.89x = 129,461,317.09
  5. Step 5: Solve for x
    x = 129,461,317.09/11,625.89
  6. Step 6: Final answer
    x = 11,135.61

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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.