Home / 12,092.62-18,138.47-4,976.59

Finding the Fourth Proportional to 12,092.62, 18,138.47 and 4,976.59

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Solution

The fourth proportional to 12,092.62, 18,138.47 and 4,976.59 is: 7,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.62 : 18,138.47 = 4,976.59 : x
  2. Step 2: Convert to fraction form
    12,092.62/18,138.47 = 4,976.59/x
  3. Step 3: Cross multiply
    12,092.62x = 18,138.47 × 4,976.59
  4. Step 4: Simplify right side
    12,092.62x = 90,267,658.19
  5. Step 5: Solve for x
    x = 90,267,658.19/12,092.62
  6. Step 6: Final answer
    x = 7,464.69

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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.