Home / 12,239.24-18,358.83-3,474.17

Finding the Fourth Proportional to 12,239.24, 18,358.83 and 3,474.17

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Solution

The fourth proportional to 12,239.24, 18,358.83 and 3,474.17 is: 5,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.24 : 18,358.83 = 3,474.17 : x
  2. Step 2: Convert to fraction form
    12,239.24/18,358.83 = 3,474.17/x
  3. Step 3: Cross multiply
    12,239.24x = 18,358.83 × 3,474.17
  4. Step 4: Simplify right side
    12,239.24x = 63,781,604.63
  5. Step 5: Solve for x
    x = 63,781,604.63/12,239.24
  6. Step 6: Final answer
    x = 5,211.24

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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.