Home / 11,696.20-16,135.13-8,504.55

Finding the Fourth Proportional to 11,696.20, 16,135.13 and 8,504.55

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Solution

The fourth proportional to 11,696.20, 16,135.13 and 8,504.55 is: 11,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.20 : 16,135.13 = 8,504.55 : x
  2. Step 2: Convert to fraction form
    11,696.20/16,135.13 = 8,504.55/x
  3. Step 3: Cross multiply
    11,696.20x = 16,135.13 × 8,504.55
  4. Step 4: Simplify right side
    11,696.20x = 137,222,019.84
  5. Step 5: Solve for x
    x = 137,222,019.84/11,696.20
  6. Step 6: Final answer
    x = 11,732.19

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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.