Home / 10,021.62-13,829.10-5,544.36

Finding the Fourth Proportional to 10,021.62, 13,829.10 and 5,544.36

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Solution

The fourth proportional to 10,021.62, 13,829.10 and 5,544.36 is: 7,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.62 : 13,829.10 = 5,544.36 : x
  2. Step 2: Convert to fraction form
    10,021.62/13,829.10 = 5,544.36/x
  3. Step 3: Cross multiply
    10,021.62x = 13,829.10 × 5,544.36
  4. Step 4: Simplify right side
    10,021.62x = 76,673,508.88
  5. Step 5: Solve for x
    x = 76,673,508.88/10,021.62
  6. Step 6: Final answer
    x = 7,650.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.