Home / 12,525.40-18,786.21-4,204

Finding the Fourth Proportional to 12,525.40, 18,786.21 and 4,204

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Solution

The fourth proportional to 12,525.40, 18,786.21 and 4,204 is: 6,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.40 : 18,786.21 = 4,204 : x
  2. Step 2: Convert to fraction form
    12,525.40/18,786.21 = 4,204/x
  3. Step 3: Cross multiply
    12,525.40x = 18,786.21 × 4,204
  4. Step 4: Simplify right side
    12,525.40x = 78,977,226.84
  5. Step 5: Solve for x
    x = 78,977,226.84/12,525.40
  6. Step 6: Final answer
    x = 6,305.37

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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.