Home / 12,241.20-16,892.70-6,652.20

Finding the Fourth Proportional to 12,241.20, 16,892.70 and 6,652.20

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Solution

The fourth proportional to 12,241.20, 16,892.70 and 6,652.20 is: 9,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.20 : 16,892.70 = 6,652.20 : x
  2. Step 2: Convert to fraction form
    12,241.20/16,892.70 = 6,652.20/x
  3. Step 3: Cross multiply
    12,241.20x = 16,892.70 × 6,652.20
  4. Step 4: Simplify right side
    12,241.20x = 112,373,618.94
  5. Step 5: Solve for x
    x = 112,373,618.94/12,241.20
  6. Step 6: Final answer
    x = 9,179.95

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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.