Home / 11,660.73-17,485.95-3,338.86

Finding the Fourth Proportional to 11,660.73, 17,485.95 and 3,338.86

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Solution

The fourth proportional to 11,660.73, 17,485.95 and 3,338.86 is: 5,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.73 : 17,485.95 = 3,338.86 : x
  2. Step 2: Convert to fraction form
    11,660.73/17,485.95 = 3,338.86/x
  3. Step 3: Cross multiply
    11,660.73x = 17,485.95 × 3,338.86
  4. Step 4: Simplify right side
    11,660.73x = 58,383,034.89
  5. Step 5: Solve for x
    x = 58,383,034.89/11,660.73
  6. Step 6: Final answer
    x = 5,006.81

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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.