Home / 11,215.75-16,819.44-3,717.93

Finding the Fourth Proportional to 11,215.75, 16,819.44 and 3,717.93

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Solution

The fourth proportional to 11,215.75, 16,819.44 and 3,717.93 is: 5,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.75 : 16,819.44 = 3,717.93 : x
  2. Step 2: Convert to fraction form
    11,215.75/16,819.44 = 3,717.93/x
  3. Step 3: Cross multiply
    11,215.75x = 16,819.44 × 3,717.93
  4. Step 4: Simplify right side
    11,215.75x = 62,533,500.56
  5. Step 5: Solve for x
    x = 62,533,500.56/11,215.75
  6. Step 6: Final answer
    x = 5,575.51

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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.