Home / 11,052.18-16,582.68-5,209.20

Finding the Fourth Proportional to 11,052.18, 16,582.68 and 5,209.20

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Solution

The fourth proportional to 11,052.18, 16,582.68 and 5,209.20 is: 7,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.18 : 16,582.68 = 5,209.20 : x
  2. Step 2: Convert to fraction form
    11,052.18/16,582.68 = 5,209.20/x
  3. Step 3: Cross multiply
    11,052.18x = 16,582.68 × 5,209.20
  4. Step 4: Simplify right side
    11,052.18x = 86,382,496.66
  5. Step 5: Solve for x
    x = 86,382,496.66/11,052.18
  6. Step 6: Final answer
    x = 7,815.88

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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.