Home / 11,698.38-17,556.82-5,455.19

Finding the Fourth Proportional to 11,698.38, 17,556.82 and 5,455.19

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Solution

The fourth proportional to 11,698.38, 17,556.82 and 5,455.19 is: 8,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.38 : 17,556.82 = 5,455.19 : x
  2. Step 2: Convert to fraction form
    11,698.38/17,556.82 = 5,455.19/x
  3. Step 3: Cross multiply
    11,698.38x = 17,556.82 × 5,455.19
  4. Step 4: Simplify right side
    11,698.38x = 95,775,819.15
  5. Step 5: Solve for x
    x = 95,775,819.15/11,698.38
  6. Step 6: Final answer
    x = 8,187.10

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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.