Home / 11,955.70-17,933.34-4,164.31

Finding the Fourth Proportional to 11,955.70, 17,933.34 and 4,164.31

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Solution

The fourth proportional to 11,955.70, 17,933.34 and 4,164.31 is: 6,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.70 : 17,933.34 = 4,164.31 : x
  2. Step 2: Convert to fraction form
    11,955.70/17,933.34 = 4,164.31/x
  3. Step 3: Cross multiply
    11,955.70x = 17,933.34 × 4,164.31
  4. Step 4: Simplify right side
    11,955.70x = 74,679,987.10
  5. Step 5: Solve for x
    x = 74,679,987.10/11,955.70
  6. Step 6: Final answer
    x = 6,246.39

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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.