Home / 12,260.62-18,392.75-5,687.47

Finding the Fourth Proportional to 12,260.62, 18,392.75 and 5,687.47

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Solution

The fourth proportional to 12,260.62, 18,392.75 and 5,687.47 is: 8,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.62 : 18,392.75 = 5,687.47 : x
  2. Step 2: Convert to fraction form
    12,260.62/18,392.75 = 5,687.47/x
  3. Step 3: Cross multiply
    12,260.62x = 18,392.75 × 5,687.47
  4. Step 4: Simplify right side
    12,260.62x = 104,608,213.84
  5. Step 5: Solve for x
    x = 104,608,213.84/12,260.62
  6. Step 6: Final answer
    x = 8,532.05

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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.