Home / 10,767.87-16,148.66-4,192.49

Finding the Fourth Proportional to 10,767.87, 16,148.66 and 4,192.49

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Solution

The fourth proportional to 10,767.87, 16,148.66 and 4,192.49 is: 6,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.87 : 16,148.66 = 4,192.49 : x
  2. Step 2: Convert to fraction form
    10,767.87/16,148.66 = 4,192.49/x
  3. Step 3: Cross multiply
    10,767.87x = 16,148.66 × 4,192.49
  4. Step 4: Simplify right side
    10,767.87x = 67,703,114.97
  5. Step 5: Solve for x
    x = 67,703,114.97/10,767.87
  6. Step 6: Final answer
    x = 6,287.51

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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.