Home / 8,167.21-12,251.96-2,619.25

Finding the Fourth Proportional to 8,167.21, 12,251.96 and 2,619.25

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Solution

The fourth proportional to 8,167.21, 12,251.96 and 2,619.25 is: 3,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.21 : 12,251.96 = 2,619.25 : x
  2. Step 2: Convert to fraction form
    8,167.21/12,251.96 = 2,619.25/x
  3. Step 3: Cross multiply
    8,167.21x = 12,251.96 × 2,619.25
  4. Step 4: Simplify right side
    8,167.21x = 32,090,946.23
  5. Step 5: Solve for x
    x = 32,090,946.23/8,167.21
  6. Step 6: Final answer
    x = 3,929.24

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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.