Home / 10,721.30-14,795.36-6,183.97

Finding the Fourth Proportional to 10,721.30, 14,795.36 and 6,183.97

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Solution

The fourth proportional to 10,721.30, 14,795.36 and 6,183.97 is: 8,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.30 : 14,795.36 = 6,183.97 : x
  2. Step 2: Convert to fraction form
    10,721.30/14,795.36 = 6,183.97/x
  3. Step 3: Cross multiply
    10,721.30x = 14,795.36 × 6,183.97
  4. Step 4: Simplify right side
    10,721.30x = 91,494,062.38
  5. Step 5: Solve for x
    x = 91,494,062.38/10,721.30
  6. Step 6: Final answer
    x = 8,533.86

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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.