Home / 11,243.52-16,864.64-3,451.36

Finding the Fourth Proportional to 11,243.52, 16,864.64 and 3,451.36

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Solution

The fourth proportional to 11,243.52, 16,864.64 and 3,451.36 is: 5,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.52 : 16,864.64 = 3,451.36 : x
  2. Step 2: Convert to fraction form
    11,243.52/16,864.64 = 3,451.36/x
  3. Step 3: Cross multiply
    11,243.52x = 16,864.64 × 3,451.36
  4. Step 4: Simplify right side
    11,243.52x = 58,205,943.91
  5. Step 5: Solve for x
    x = 58,205,943.91/11,243.52
  6. Step 6: Final answer
    x = 5,176.84

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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.