Home / 10,791.07-16,180.11-4,220.35

Finding the Fourth Proportional to 10,791.07, 16,180.11 and 4,220.35

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Solution

The fourth proportional to 10,791.07, 16,180.11 and 4,220.35 is: 6,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.07 : 16,180.11 = 4,220.35 : x
  2. Step 2: Convert to fraction form
    10,791.07/16,180.11 = 4,220.35/x
  3. Step 3: Cross multiply
    10,791.07x = 16,180.11 × 4,220.35
  4. Step 4: Simplify right side
    10,791.07x = 68,285,727.24
  5. Step 5: Solve for x
    x = 68,285,727.24/10,791.07
  6. Step 6: Final answer
    x = 6,327.98

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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.