Home / 12,228.12-18,343.26-3,463.02

Finding the Fourth Proportional to 12,228.12, 18,343.26 and 3,463.02

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Solution

The fourth proportional to 12,228.12, 18,343.26 and 3,463.02 is: 5,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.12 : 18,343.26 = 3,463.02 : x
  2. Step 2: Convert to fraction form
    12,228.12/18,343.26 = 3,463.02/x
  3. Step 3: Cross multiply
    12,228.12x = 18,343.26 × 3,463.02
  4. Step 4: Simplify right side
    12,228.12x = 63,523,076.25
  5. Step 5: Solve for x
    x = 63,523,076.25/12,228.12
  6. Step 6: Final answer
    x = 5,194.84

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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.