Home / 11,711.16-16,163.75-8,133.59

Finding the Fourth Proportional to 11,711.16, 16,163.75 and 8,133.59

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Solution

The fourth proportional to 11,711.16, 16,163.75 and 8,133.59 is: 11,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.16 : 16,163.75 = 8,133.59 : x
  2. Step 2: Convert to fraction form
    11,711.16/16,163.75 = 8,133.59/x
  3. Step 3: Cross multiply
    11,711.16x = 16,163.75 × 8,133.59
  4. Step 4: Simplify right side
    11,711.16x = 131,469,330.65
  5. Step 5: Solve for x
    x = 131,469,330.65/11,711.16
  6. Step 6: Final answer
    x = 11,225.99

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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.