Home / 11,231.31-16,836.93-4,653.30

Finding the Fourth Proportional to 11,231.31, 16,836.93 and 4,653.30

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Solution

The fourth proportional to 11,231.31, 16,836.93 and 4,653.30 is: 6,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.31 : 16,836.93 = 4,653.30 : x
  2. Step 2: Convert to fraction form
    11,231.31/16,836.93 = 4,653.30/x
  3. Step 3: Cross multiply
    11,231.31x = 16,836.93 × 4,653.30
  4. Step 4: Simplify right side
    11,231.31x = 78,347,286.37
  5. Step 5: Solve for x
    x = 78,347,286.37/11,231.31
  6. Step 6: Final answer
    x = 6,975.79

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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.