Home / 11,161.47-16,744.68-3,765.54

Finding the Fourth Proportional to 11,161.47, 16,744.68 and 3,765.54

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Solution

The fourth proportional to 11,161.47, 16,744.68 and 3,765.54 is: 5,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.47 : 16,744.68 = 3,765.54 : x
  2. Step 2: Convert to fraction form
    11,161.47/16,744.68 = 3,765.54/x
  3. Step 3: Cross multiply
    11,161.47x = 16,744.68 × 3,765.54
  4. Step 4: Simplify right side
    11,161.47x = 63,052,762.33
  5. Step 5: Solve for x
    x = 63,052,762.33/11,161.47
  6. Step 6: Final answer
    x = 5,649.14

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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.