Home / 11,243.07-16,864.88-3,847.48

Finding the Fourth Proportional to 11,243.07, 16,864.88 and 3,847.48

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Solution

The fourth proportional to 11,243.07, 16,864.88 and 3,847.48 is: 5,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.07 : 16,864.88 = 3,847.48 : x
  2. Step 2: Convert to fraction form
    11,243.07/16,864.88 = 3,847.48/x
  3. Step 3: Cross multiply
    11,243.07x = 16,864.88 × 3,847.48
  4. Step 4: Simplify right side
    11,243.07x = 64,887,227.10
  5. Step 5: Solve for x
    x = 64,887,227.10/11,243.07
  6. Step 6: Final answer
    x = 5,771.31

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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.