Home / 11,770.86-17,656.27-3,005.78

Finding the Fourth Proportional to 11,770.86, 17,656.27 and 3,005.78

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Solution

The fourth proportional to 11,770.86, 17,656.27 and 3,005.78 is: 4,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.86 : 17,656.27 = 3,005.78 : x
  2. Step 2: Convert to fraction form
    11,770.86/17,656.27 = 3,005.78/x
  3. Step 3: Cross multiply
    11,770.86x = 17,656.27 × 3,005.78
  4. Step 4: Simplify right side
    11,770.86x = 53,070,863.24
  5. Step 5: Solve for x
    x = 53,070,863.24/11,770.86
  6. Step 6: Final answer
    x = 4,508.66

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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.