Home / 11,830.89-16,321.50-6,793.95

Finding the Fourth Proportional to 11,830.89, 16,321.50 and 6,793.95

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Solution

The fourth proportional to 11,830.89, 16,321.50 and 6,793.95 is: 9,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.89 : 16,321.50 = 6,793.95 : x
  2. Step 2: Convert to fraction form
    11,830.89/16,321.50 = 6,793.95/x
  3. Step 3: Cross multiply
    11,830.89x = 16,321.50 × 6,793.95
  4. Step 4: Simplify right side
    11,830.89x = 110,887,454.93
  5. Step 5: Solve for x
    x = 110,887,454.93/11,830.89
  6. Step 6: Final answer
    x = 9,372.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.