Home / 11,347.47-17,021.19-3,556.89

Finding the Fourth Proportional to 11,347.47, 17,021.19 and 3,556.89

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Solution

The fourth proportional to 11,347.47, 17,021.19 and 3,556.89 is: 5,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.47 : 17,021.19 = 3,556.89 : x
  2. Step 2: Convert to fraction form
    11,347.47/17,021.19 = 3,556.89/x
  3. Step 3: Cross multiply
    11,347.47x = 17,021.19 × 3,556.89
  4. Step 4: Simplify right side
    11,347.47x = 60,542,500.50
  5. Step 5: Solve for x
    x = 60,542,500.50/11,347.47
  6. Step 6: Final answer
    x = 5,335.33

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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.