Home / 11,905.89-17,859.56-4,007.73

Finding the Fourth Proportional to 11,905.89, 17,859.56 and 4,007.73

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Solution

The fourth proportional to 11,905.89, 17,859.56 and 4,007.73 is: 6,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.89 : 17,859.56 = 4,007.73 : x
  2. Step 2: Convert to fraction form
    11,905.89/17,859.56 = 4,007.73/x
  3. Step 3: Cross multiply
    11,905.89x = 17,859.56 × 4,007.73
  4. Step 4: Simplify right side
    11,905.89x = 71,576,240.87
  5. Step 5: Solve for x
    x = 71,576,240.87/11,905.89
  6. Step 6: Final answer
    x = 6,011.84

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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.