Home / 11,021.20-16,532.56-4,005.36

Finding the Fourth Proportional to 11,021.20, 16,532.56 and 4,005.36

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Solution

The fourth proportional to 11,021.20, 16,532.56 and 4,005.36 is: 6,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.20 : 16,532.56 = 4,005.36 : x
  2. Step 2: Convert to fraction form
    11,021.20/16,532.56 = 4,005.36/x
  3. Step 3: Cross multiply
    11,021.20x = 16,532.56 × 4,005.36
  4. Step 4: Simplify right side
    11,021.20x = 66,218,854.52
  5. Step 5: Solve for x
    x = 66,218,854.52/11,021.20
  6. Step 6: Final answer
    x = 6,008.32

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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.