Home / 11,581.45-17,395.41-6,910.58

Finding the Fourth Proportional to 11,581.45, 17,395.41 and 6,910.58

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Solution

The fourth proportional to 11,581.45, 17,395.41 and 6,910.58 is: 10,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.45 : 17,395.41 = 6,910.58 : x
  2. Step 2: Convert to fraction form
    11,581.45/17,395.41 = 6,910.58/x
  3. Step 3: Cross multiply
    11,581.45x = 17,395.41 × 6,910.58
  4. Step 4: Simplify right side
    11,581.45x = 120,212,372.44
  5. Step 5: Solve for x
    x = 120,212,372.44/11,581.45
  6. Step 6: Final answer
    x = 10,379.73

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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.