Home / 12,163.96-18,234.90-4,370.94

Finding the Fourth Proportional to 12,163.96, 18,234.90 and 4,370.94

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Solution

The fourth proportional to 12,163.96, 18,234.90 and 4,370.94 is: 6,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.96 : 18,234.90 = 4,370.94 : x
  2. Step 2: Convert to fraction form
    12,163.96/18,234.90 = 4,370.94/x
  3. Step 3: Cross multiply
    12,163.96x = 18,234.90 × 4,370.94
  4. Step 4: Simplify right side
    12,163.96x = 79,703,653.81
  5. Step 5: Solve for x
    x = 79,703,653.81/12,163.96
  6. Step 6: Final answer
    x = 6,552.44

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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.