Home / 11,778.37-17,669.08-3,881.69

Finding the Fourth Proportional to 11,778.37, 17,669.08 and 3,881.69

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Solution

The fourth proportional to 11,778.37, 17,669.08 and 3,881.69 is: 5,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.37 : 17,669.08 = 3,881.69 : x
  2. Step 2: Convert to fraction form
    11,778.37/17,669.08 = 3,881.69/x
  3. Step 3: Cross multiply
    11,778.37x = 17,669.08 × 3,881.69
  4. Step 4: Simplify right side
    11,778.37x = 68,585,891.15
  5. Step 5: Solve for x
    x = 68,585,891.15/11,778.37
  6. Step 6: Final answer
    x = 5,823.04

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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.