Home / 11,946.53-16,487.33-7,231.97

Finding the Fourth Proportional to 11,946.53, 16,487.33 and 7,231.97

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Solution

The fourth proportional to 11,946.53, 16,487.33 and 7,231.97 is: 9,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.53 : 16,487.33 = 7,231.97 : x
  2. Step 2: Convert to fraction form
    11,946.53/16,487.33 = 7,231.97/x
  3. Step 3: Cross multiply
    11,946.53x = 16,487.33 × 7,231.97
  4. Step 4: Simplify right side
    11,946.53x = 119,235,839.78
  5. Step 5: Solve for x
    x = 119,235,839.78/11,946.53
  6. Step 6: Final answer
    x = 9,980.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.