Home / 11,873.46-17,811.40-4,081.26

Finding the Fourth Proportional to 11,873.46, 17,811.40 and 4,081.26

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Solution

The fourth proportional to 11,873.46, 17,811.40 and 4,081.26 is: 6,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.46 : 17,811.40 = 4,081.26 : x
  2. Step 2: Convert to fraction form
    11,873.46/17,811.40 = 4,081.26/x
  3. Step 3: Cross multiply
    11,873.46x = 17,811.40 × 4,081.26
  4. Step 4: Simplify right side
    11,873.46x = 72,692,954.36
  5. Step 5: Solve for x
    x = 72,692,954.36/11,873.46
  6. Step 6: Final answer
    x = 6,122.31

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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.