Home / 11,929.91-17,896.36-3,924.53

Finding the Fourth Proportional to 11,929.91, 17,896.36 and 3,924.53

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Solution

The fourth proportional to 11,929.91, 17,896.36 and 3,924.53 is: 5,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.91 : 17,896.36 = 3,924.53 : x
  2. Step 2: Convert to fraction form
    11,929.91/17,896.36 = 3,924.53/x
  3. Step 3: Cross multiply
    11,929.91x = 17,896.36 × 3,924.53
  4. Step 4: Simplify right side
    11,929.91x = 70,234,702.42
  5. Step 5: Solve for x
    x = 70,234,702.42/11,929.91
  6. Step 6: Final answer
    x = 5,887.28

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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.