Home / 11,505.56-17,246.70-4,481.19

Finding the Fourth Proportional to 11,505.56, 17,246.70 and 4,481.19

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Solution

The fourth proportional to 11,505.56, 17,246.70 and 4,481.19 is: 6,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.56 : 17,246.70 = 4,481.19 : x
  2. Step 2: Convert to fraction form
    11,505.56/17,246.70 = 4,481.19/x
  3. Step 3: Cross multiply
    11,505.56x = 17,246.70 × 4,481.19
  4. Step 4: Simplify right side
    11,505.56x = 77,285,739.57
  5. Step 5: Solve for x
    x = 77,285,739.57/11,505.56
  6. Step 6: Final answer
    x = 6,717.25

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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.