Home / 10,791.45-16,189.22-4,217.22

Finding the Fourth Proportional to 10,791.45, 16,189.22 and 4,217.22

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Solution

The fourth proportional to 10,791.45, 16,189.22 and 4,217.22 is: 6,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.45 : 16,189.22 = 4,217.22 : x
  2. Step 2: Convert to fraction form
    10,791.45/16,189.22 = 4,217.22/x
  3. Step 3: Cross multiply
    10,791.45x = 16,189.22 × 4,217.22
  4. Step 4: Simplify right side
    10,791.45x = 68,273,502.37
  5. Step 5: Solve for x
    x = 68,273,502.37/10,791.45
  6. Step 6: Final answer
    x = 6,326.63

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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.