Home / 11,620.89-17,412.18-6,694.68

Finding the Fourth Proportional to 11,620.89, 17,412.18 and 6,694.68

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Solution

The fourth proportional to 11,620.89, 17,412.18 and 6,694.68 is: 10,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.89 : 17,412.18 = 6,694.68 : x
  2. Step 2: Convert to fraction form
    11,620.89/17,412.18 = 6,694.68/x
  3. Step 3: Cross multiply
    11,620.89x = 17,412.18 × 6,694.68
  4. Step 4: Simplify right side
    11,620.89x = 116,568,902.88
  5. Step 5: Solve for x
    x = 116,568,902.88/11,620.89
  6. Step 6: Final answer
    x = 10,030.98

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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.