Home / 11,855.27-16,353.42-7,663.52

Finding the Fourth Proportional to 11,855.27, 16,353.42 and 7,663.52

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Solution

The fourth proportional to 11,855.27, 16,353.42 and 7,663.52 is: 10,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.27 : 16,353.42 = 7,663.52 : x
  2. Step 2: Convert to fraction form
    11,855.27/16,353.42 = 7,663.52/x
  3. Step 3: Cross multiply
    11,855.27x = 16,353.42 × 7,663.52
  4. Step 4: Simplify right side
    11,855.27x = 125,324,761.24
  5. Step 5: Solve for x
    x = 125,324,761.24/11,855.27
  6. Step 6: Final answer
    x = 10,571.23

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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.