Home / 11,044.80-16,567.20-4,120

Finding the Fourth Proportional to 11,044.80, 16,567.20 and 4,120

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Solution

The fourth proportional to 11,044.80, 16,567.20 and 4,120 is: 6,180

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,044.80 : 16,567.20 = 4,120 : x
  2. Step 2: Convert to fraction form
    11,044.80/16,567.20 = 4,120/x
  3. Step 3: Cross multiply
    11,044.80x = 16,567.20 × 4,120
  4. Step 4: Simplify right side
    11,044.80x = 68,256,864
  5. Step 5: Solve for x
    x = 68,256,864/11,044.80
  6. Step 6: Final answer
    x = 6,180

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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.