Home / 12,232.20-16,871.04-8,247

Finding the Fourth Proportional to 12,232.20, 16,871.04 and 8,247

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Solution

The fourth proportional to 12,232.20, 16,871.04 and 8,247 is: 11,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.20 : 16,871.04 = 8,247 : x
  2. Step 2: Convert to fraction form
    12,232.20/16,871.04 = 8,247/x
  3. Step 3: Cross multiply
    12,232.20x = 16,871.04 × 8,247
  4. Step 4: Simplify right side
    12,232.20x = 139,135,466.88
  5. Step 5: Solve for x
    x = 139,135,466.88/12,232.20
  6. Step 6: Final answer
    x = 11,374.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.