Home / 11,778.51-17,668.92-3,881.09

Finding the Fourth Proportional to 11,778.51, 17,668.92 and 3,881.09

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Solution

The fourth proportional to 11,778.51, 17,668.92 and 3,881.09 is: 5,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.51 : 17,668.92 = 3,881.09 : x
  2. Step 2: Convert to fraction form
    11,778.51/17,668.92 = 3,881.09/x
  3. Step 3: Cross multiply
    11,778.51x = 17,668.92 × 3,881.09
  4. Step 4: Simplify right side
    11,778.51x = 68,574,668.72
  5. Step 5: Solve for x
    x = 68,574,668.72/11,778.51
  6. Step 6: Final answer
    x = 5,822.02

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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.