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Finding the Fourth Proportional to 11,173.51, 15,419.54 and 6,137.83

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Solution

The fourth proportional to 11,173.51, 15,419.54 and 6,137.83 is: 8,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.51 : 15,419.54 = 6,137.83 : x
  2. Step 2: Convert to fraction form
    11,173.51/15,419.54 = 6,137.83/x
  3. Step 3: Cross multiply
    11,173.51x = 15,419.54 × 6,137.83
  4. Step 4: Simplify right side
    11,173.51x = 94,642,549.82
  5. Step 5: Solve for x
    x = 94,642,549.82/11,173.51
  6. Step 6: Final answer
    x = 8,470.26

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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.