Home / 11,228.97-16,835.94-5,382.39

Finding the Fourth Proportional to 11,228.97, 16,835.94 and 5,382.39

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Solution

The fourth proportional to 11,228.97, 16,835.94 and 5,382.39 is: 8,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.97 : 16,835.94 = 5,382.39 : x
  2. Step 2: Convert to fraction form
    11,228.97/16,835.94 = 5,382.39/x
  3. Step 3: Cross multiply
    11,228.97x = 16,835.94 × 5,382.39
  4. Step 4: Simplify right side
    11,228.97x = 90,617,595.10
  5. Step 5: Solve for x
    x = 90,617,595.10/11,228.97
  6. Step 6: Final answer
    x = 8,069.98

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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.