Home / 11,135.94-16,706.49-3,238.64

Finding the Fourth Proportional to 11,135.94, 16,706.49 and 3,238.64

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Solution

The fourth proportional to 11,135.94, 16,706.49 and 3,238.64 is: 4,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.94 : 16,706.49 = 3,238.64 : x
  2. Step 2: Convert to fraction form
    11,135.94/16,706.49 = 3,238.64/x
  3. Step 3: Cross multiply
    11,135.94x = 16,706.49 × 3,238.64
  4. Step 4: Simplify right side
    11,135.94x = 54,106,273.75
  5. Step 5: Solve for x
    x = 54,106,273.75/11,135.94
  6. Step 6: Final answer
    x = 4,858.71

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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.