Home / 8,777.08-13,161.66-3,229.48

Finding the Fourth Proportional to 8,777.08, 13,161.66 and 3,229.48

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Solution

The fourth proportional to 8,777.08, 13,161.66 and 3,229.48 is: 4,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.08 : 13,161.66 = 3,229.48 : x
  2. Step 2: Convert to fraction form
    8,777.08/13,161.66 = 3,229.48/x
  3. Step 3: Cross multiply
    8,777.08x = 13,161.66 × 3,229.48
  4. Step 4: Simplify right side
    8,777.08x = 42,505,317.74
  5. Step 5: Solve for x
    x = 42,505,317.74/8,777.08
  6. Step 6: Final answer
    x = 4,842.76

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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.