Home / 10,927.72-16,395.42-4,687.48

Finding the Fourth Proportional to 10,927.72, 16,395.42 and 4,687.48

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Solution

The fourth proportional to 10,927.72, 16,395.42 and 4,687.48 is: 7,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.72 : 16,395.42 = 4,687.48 : x
  2. Step 2: Convert to fraction form
    10,927.72/16,395.42 = 4,687.48/x
  3. Step 3: Cross multiply
    10,927.72x = 16,395.42 × 4,687.48
  4. Step 4: Simplify right side
    10,927.72x = 76,853,121.36
  5. Step 5: Solve for x
    x = 76,853,121.36/10,927.72
  6. Step 6: Final answer
    x = 7,032.86

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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.