Home / 12,859.62-19,292.49-4,094.52

Finding the Fourth Proportional to 12,859.62, 19,292.49 and 4,094.52

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Solution

The fourth proportional to 12,859.62, 19,292.49 and 4,094.52 is: 6,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.62 : 19,292.49 = 4,094.52 : x
  2. Step 2: Convert to fraction form
    12,859.62/19,292.49 = 4,094.52/x
  3. Step 3: Cross multiply
    12,859.62x = 19,292.49 × 4,094.52
  4. Step 4: Simplify right side
    12,859.62x = 78,993,486.15
  5. Step 5: Solve for x
    x = 78,993,486.15/12,859.62
  6. Step 6: Final answer
    x = 6,142.75

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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.