Home / 11,230.97-16,838.94-5,384.39

Finding the Fourth Proportional to 11,230.97, 16,838.94 and 5,384.39

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Solution

The fourth proportional to 11,230.97, 16,838.94 and 5,384.39 is: 8,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.97 : 16,838.94 = 5,384.39 : x
  2. Step 2: Convert to fraction form
    11,230.97/16,838.94 = 5,384.39/x
  3. Step 3: Cross multiply
    11,230.97x = 16,838.94 × 5,384.39
  4. Step 4: Simplify right side
    11,230.97x = 90,667,420.15
  5. Step 5: Solve for x
    x = 90,667,420.15/11,230.97
  6. Step 6: Final answer
    x = 8,072.98

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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.