Home / 10,791.92-16,151.31-6,634.58

Finding the Fourth Proportional to 10,791.92, 16,151.31 and 6,634.58

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Solution

The fourth proportional to 10,791.92, 16,151.31 and 6,634.58 is: 9,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.92 : 16,151.31 = 6,634.58 : x
  2. Step 2: Convert to fraction form
    10,791.92/16,151.31 = 6,634.58/x
  3. Step 3: Cross multiply
    10,791.92x = 16,151.31 × 6,634.58
  4. Step 4: Simplify right side
    10,791.92x = 107,157,077.54
  5. Step 5: Solve for x
    x = 107,157,077.54/10,791.92
  6. Step 6: Final answer
    x = 9,929.38

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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.