Home / 12,351.05-18,524.10-4,453.34

Finding the Fourth Proportional to 12,351.05, 18,524.10 and 4,453.34

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Solution

The fourth proportional to 12,351.05, 18,524.10 and 4,453.34 is: 6,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.05 : 18,524.10 = 4,453.34 : x
  2. Step 2: Convert to fraction form
    12,351.05/18,524.10 = 4,453.34/x
  3. Step 3: Cross multiply
    12,351.05x = 18,524.10 × 4,453.34
  4. Step 4: Simplify right side
    12,351.05x = 82,494,115.49
  5. Step 5: Solve for x
    x = 82,494,115.49/12,351.05
  6. Step 6: Final answer
    x = 6,679.12

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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.