Home / 10,906.74-16,360.47-3,009.85

Finding the Fourth Proportional to 10,906.74, 16,360.47 and 3,009.85

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Solution

The fourth proportional to 10,906.74, 16,360.47 and 3,009.85 is: 4,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.74 : 16,360.47 = 3,009.85 : x
  2. Step 2: Convert to fraction form
    10,906.74/16,360.47 = 3,009.85/x
  3. Step 3: Cross multiply
    10,906.74x = 16,360.47 × 3,009.85
  4. Step 4: Simplify right side
    10,906.74x = 49,242,519.73
  5. Step 5: Solve for x
    x = 49,242,519.73/10,906.74
  6. Step 6: Final answer
    x = 4,514.87

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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.