Home / 8,467.26-12,709.08-4,087.80

Finding the Fourth Proportional to 8,467.26, 12,709.08 and 4,087.80

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Solution

The fourth proportional to 8,467.26, 12,709.08 and 4,087.80 is: 6,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.26 : 12,709.08 = 4,087.80 : x
  2. Step 2: Convert to fraction form
    8,467.26/12,709.08 = 4,087.80/x
  3. Step 3: Cross multiply
    8,467.26x = 12,709.08 × 4,087.80
  4. Step 4: Simplify right side
    8,467.26x = 51,952,177.22
  5. Step 5: Solve for x
    x = 51,952,177.22/8,467.26
  6. Step 6: Final answer
    x = 6,135.65

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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.