Home / 12,192.20-18,293.99-5,527.52

Finding the Fourth Proportional to 12,192.20, 18,293.99 and 5,527.52

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Solution

The fourth proportional to 12,192.20, 18,293.99 and 5,527.52 is: 8,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.20 : 18,293.99 = 5,527.52 : x
  2. Step 2: Convert to fraction form
    12,192.20/18,293.99 = 5,527.52/x
  3. Step 3: Cross multiply
    12,192.20x = 18,293.99 × 5,527.52
  4. Step 4: Simplify right side
    12,192.20x = 101,120,395.60
  5. Step 5: Solve for x
    x = 101,120,395.60/12,192.20
  6. Step 6: Final answer
    x = 8,293.86

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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.