Home / 11,928.88-17,893.50-4,137.94

Finding the Fourth Proportional to 11,928.88, 17,893.50 and 4,137.94

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Solution

The fourth proportional to 11,928.88, 17,893.50 and 4,137.94 is: 6,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.88 : 17,893.50 = 4,137.94 : x
  2. Step 2: Convert to fraction form
    11,928.88/17,893.50 = 4,137.94/x
  3. Step 3: Cross multiply
    11,928.88x = 17,893.50 × 4,137.94
  4. Step 4: Simplify right side
    11,928.88x = 74,042,229.39
  5. Step 5: Solve for x
    x = 74,042,229.39/11,928.88
  6. Step 6: Final answer
    x = 6,206.97

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1.5x scale

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.