Home / 12,197.52-18,292.64-5,177.44

Finding the Fourth Proportional to 12,197.52, 18,292.64 and 5,177.44

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Solution

The fourth proportional to 12,197.52, 18,292.64 and 5,177.44 is: 7,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.52 : 18,292.64 = 5,177.44 : x
  2. Step 2: Convert to fraction form
    12,197.52/18,292.64 = 5,177.44/x
  3. Step 3: Cross multiply
    12,197.52x = 18,292.64 × 5,177.44
  4. Step 4: Simplify right side
    12,197.52x = 94,709,046.04
  5. Step 5: Solve for x
    x = 94,709,046.04/12,197.52
  6. Step 6: Final answer
    x = 7,764.61

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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.