Home / 11,216.27-16,823.40-3,425.09

Finding the Fourth Proportional to 11,216.27, 16,823.40 and 3,425.09

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Solution

The fourth proportional to 11,216.27, 16,823.40 and 3,425.09 is: 5,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.27 : 16,823.40 = 3,425.09 : x
  2. Step 2: Convert to fraction form
    11,216.27/16,823.40 = 3,425.09/x
  3. Step 3: Cross multiply
    11,216.27x = 16,823.40 × 3,425.09
  4. Step 4: Simplify right side
    11,216.27x = 57,621,562.14
  5. Step 5: Solve for x
    x = 57,621,562.14/11,216.27
  6. Step 6: Final answer
    x = 5,137.32

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1.5x scale

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.