Home / 12,157.92-18,244.17-4,367.34

Finding the Fourth Proportional to 12,157.92, 18,244.17 and 4,367.34

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Solution

The fourth proportional to 12,157.92, 18,244.17 and 4,367.34 is: 6,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.92 : 18,244.17 = 4,367.34 : x
  2. Step 2: Convert to fraction form
    12,157.92/18,244.17 = 4,367.34/x
  3. Step 3: Cross multiply
    12,157.92x = 18,244.17 × 4,367.34
  4. Step 4: Simplify right side
    12,157.92x = 79,678,493.41
  5. Step 5: Solve for x
    x = 79,678,493.41/12,157.92
  6. Step 6: Final answer
    x = 6,553.63

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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.