Home / 12,014.49-18,017.17-5,772.73

Finding the Fourth Proportional to 12,014.49, 18,017.17 and 5,772.73

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Solution

The fourth proportional to 12,014.49, 18,017.17 and 5,772.73 is: 8,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.49 : 18,017.17 = 5,772.73 : x
  2. Step 2: Convert to fraction form
    12,014.49/18,017.17 = 5,772.73/x
  3. Step 3: Cross multiply
    12,014.49x = 18,017.17 × 5,772.73
  4. Step 4: Simplify right side
    12,014.49x = 104,008,257.77
  5. Step 5: Solve for x
    x = 104,008,257.77/12,014.49
  6. Step 6: Final answer
    x = 8,656.90

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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.