Home / 11,619.72-16,034.56-6,314.50

Finding the Fourth Proportional to 11,619.72, 16,034.56 and 6,314.50

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Solution

The fourth proportional to 11,619.72, 16,034.56 and 6,314.50 is: 8,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.72 : 16,034.56 = 6,314.50 : x
  2. Step 2: Convert to fraction form
    11,619.72/16,034.56 = 6,314.50/x
  3. Step 3: Cross multiply
    11,619.72x = 16,034.56 × 6,314.50
  4. Step 4: Simplify right side
    11,619.72x = 101,250,173.25
  5. Step 5: Solve for x
    x = 101,250,173.25/11,619.72
  6. Step 6: Final answer
    x = 8,713.65

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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.