Home / 12,467.23-18,694.77-4,144.38

Finding the Fourth Proportional to 12,467.23, 18,694.77 and 4,144.38

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Solution

The fourth proportional to 12,467.23, 18,694.77 and 4,144.38 is: 6,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.23 : 18,694.77 = 4,144.38 : x
  2. Step 2: Convert to fraction form
    12,467.23/18,694.77 = 4,144.38/x
  3. Step 3: Cross multiply
    12,467.23x = 18,694.77 × 4,144.38
  4. Step 4: Simplify right side
    12,467.23x = 77,478,145.25
  5. Step 5: Solve for x
    x = 77,478,145.25/12,467.23
  6. Step 6: Final answer
    x = 6,214.54

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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.