Home / 12,462.84-18,694.26-3,228.84

Finding the Fourth Proportional to 12,462.84, 18,694.26 and 3,228.84

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Solution

The fourth proportional to 12,462.84, 18,694.26 and 3,228.84 is: 4,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.84 : 18,694.26 = 3,228.84 : x
  2. Step 2: Convert to fraction form
    12,462.84/18,694.26 = 3,228.84/x
  3. Step 3: Cross multiply
    12,462.84x = 18,694.26 × 3,228.84
  4. Step 4: Simplify right side
    12,462.84x = 60,360,774.46
  5. Step 5: Solve for x
    x = 60,360,774.46/12,462.84
  6. Step 6: Final answer
    x = 4,843.26

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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.