Home / 12,476.22-18,716.25-4,153.38

Finding the Fourth Proportional to 12,476.22, 18,716.25 and 4,153.38

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Solution

The fourth proportional to 12,476.22, 18,716.25 and 4,153.38 is: 6,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.22 : 18,716.25 = 4,153.38 : x
  2. Step 2: Convert to fraction form
    12,476.22/18,716.25 = 4,153.38/x
  3. Step 3: Cross multiply
    12,476.22x = 18,716.25 × 4,153.38
  4. Step 4: Simplify right side
    12,476.22x = 77,735,698.43
  5. Step 5: Solve for x
    x = 77,735,698.43/12,476.22
  6. Step 6: Final answer
    x = 6,230.71

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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.