Home / 12,450.36-18,682.38-5,876.37

Finding the Fourth Proportional to 12,450.36, 18,682.38 and 5,876.37

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Solution

The fourth proportional to 12,450.36, 18,682.38 and 5,876.37 is: 8,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.36 : 18,682.38 = 5,876.37 : x
  2. Step 2: Convert to fraction form
    12,450.36/18,682.38 = 5,876.37/x
  3. Step 3: Cross multiply
    12,450.36x = 18,682.38 × 5,876.37
  4. Step 4: Simplify right side
    12,450.36x = 109,784,577.36
  5. Step 5: Solve for x
    x = 109,784,577.36/12,450.36
  6. Step 6: Final answer
    x = 8,817.78

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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.