Home / 11,778.03-17,748.06-9,743.79

Finding the Fourth Proportional to 11,778.03, 17,748.06 and 9,743.79

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Solution

The fourth proportional to 11,778.03, 17,748.06 and 9,743.79 is: 14,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.03 : 17,748.06 = 9,743.79 : x
  2. Step 2: Convert to fraction form
    11,778.03/17,748.06 = 9,743.79/x
  3. Step 3: Cross multiply
    11,778.03x = 17,748.06 × 9,743.79
  4. Step 4: Simplify right side
    11,778.03x = 172,933,369.55
  5. Step 5: Solve for x
    x = 172,933,369.55/11,778.03
  6. Step 6: Final answer
    x = 14,682.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.