Home / 11,910.75-17,861.84-4,011.58

Finding the Fourth Proportional to 11,910.75, 17,861.84 and 4,011.58

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Solution

The fourth proportional to 11,910.75, 17,861.84 and 4,011.58 is: 6,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.75 : 17,861.84 = 4,011.58 : x
  2. Step 2: Convert to fraction form
    11,910.75/17,861.84 = 4,011.58/x
  3. Step 3: Cross multiply
    11,910.75x = 17,861.84 × 4,011.58
  4. Step 4: Simplify right side
    11,910.75x = 71,654,128.23
  5. Step 5: Solve for x
    x = 71,654,128.23/11,910.75
  6. Step 6: Final answer
    x = 6,015.92

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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.