Home / 12,228.54-18,342.36-3,463.44

Finding the Fourth Proportional to 12,228.54, 18,342.36 and 3,463.44

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Solution

The fourth proportional to 12,228.54, 18,342.36 and 3,463.44 is: 5,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.54 : 18,342.36 = 3,463.44 : x
  2. Step 2: Convert to fraction form
    12,228.54/18,342.36 = 3,463.44/x
  3. Step 3: Cross multiply
    12,228.54x = 18,342.36 × 3,463.44
  4. Step 4: Simplify right side
    12,228.54x = 63,527,663.32
  5. Step 5: Solve for x
    x = 63,527,663.32/12,228.54
  6. Step 6: Final answer
    x = 5,195.03

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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.