Home / 12,250.99-18,353.30-7,238.37

Finding the Fourth Proportional to 12,250.99, 18,353.30 and 7,238.37

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Solution

The fourth proportional to 12,250.99, 18,353.30 and 7,238.37 is: 10,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.99 : 18,353.30 = 7,238.37 : x
  2. Step 2: Convert to fraction form
    12,250.99/18,353.30 = 7,238.37/x
  3. Step 3: Cross multiply
    12,250.99x = 18,353.30 × 7,238.37
  4. Step 4: Simplify right side
    12,250.99x = 132,847,939.93
  5. Step 5: Solve for x
    x = 132,847,939.93/12,250.99
  6. Step 6: Final answer
    x = 10,843.86

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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.