Home / 12,163.37-18,234.07-4,370.36

Finding the Fourth Proportional to 12,163.37, 18,234.07 and 4,370.36

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Solution

The fourth proportional to 12,163.37, 18,234.07 and 4,370.36 is: 6,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.37 : 18,234.07 = 4,370.36 : x
  2. Step 2: Convert to fraction form
    12,163.37/18,234.07 = 4,370.36/x
  3. Step 3: Cross multiply
    12,163.37x = 18,234.07 × 4,370.36
  4. Step 4: Simplify right side
    12,163.37x = 79,689,348.07
  5. Step 5: Solve for x
    x = 79,689,348.07/12,163.37
  6. Step 6: Final answer
    x = 6,551.59

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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.