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Finding the Fourth Proportional to 11,173.41, 15,419.08 and 6,137.51

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Solution

The fourth proportional to 11,173.41, 15,419.08 and 6,137.51 is: 8,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.41 : 15,419.08 = 6,137.51 : x
  2. Step 2: Convert to fraction form
    11,173.41/15,419.08 = 6,137.51/x
  3. Step 3: Cross multiply
    11,173.41x = 15,419.08 × 6,137.51
  4. Step 4: Simplify right side
    11,173.41x = 94,634,770.58
  5. Step 5: Solve for x
    x = 94,634,770.58/11,173.41
  6. Step 6: Final answer
    x = 8,469.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.