Home / 11,576.75-17,365.11-2,811.65

Finding the Fourth Proportional to 11,576.75, 17,365.11 and 2,811.65

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Solution

The fourth proportional to 11,576.75, 17,365.11 and 2,811.65 is: 4,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.75 : 17,365.11 = 2,811.65 : x
  2. Step 2: Convert to fraction form
    11,576.75/17,365.11 = 2,811.65/x
  3. Step 3: Cross multiply
    11,576.75x = 17,365.11 × 2,811.65
  4. Step 4: Simplify right side
    11,576.75x = 48,824,611.53
  5. Step 5: Solve for x
    x = 48,824,611.53/11,576.75
  6. Step 6: Final answer
    x = 4,217.47

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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.