Home / 8,208.94-12,311.60-2,364.28

Finding the Fourth Proportional to 8,208.94, 12,311.60 and 2,364.28

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Solution

The fourth proportional to 8,208.94, 12,311.60 and 2,364.28 is: 3,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.94 : 12,311.60 = 2,364.28 : x
  2. Step 2: Convert to fraction form
    8,208.94/12,311.60 = 2,364.28/x
  3. Step 3: Cross multiply
    8,208.94x = 12,311.60 × 2,364.28
  4. Step 4: Simplify right side
    8,208.94x = 29,108,069.65
  5. Step 5: Solve for x
    x = 29,108,069.65/8,208.94
  6. Step 6: Final answer
    x = 3,545.90

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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.