Home / 10,571.88-15,857.86-3,176.42

Finding the Fourth Proportional to 10,571.88, 15,857.86 and 3,176.42

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Solution

The fourth proportional to 10,571.88, 15,857.86 and 3,176.42 is: 4,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.88 : 15,857.86 = 3,176.42 : x
  2. Step 2: Convert to fraction form
    10,571.88/15,857.86 = 3,176.42/x
  3. Step 3: Cross multiply
    10,571.88x = 15,857.86 × 3,176.42
  4. Step 4: Simplify right side
    10,571.88x = 50,371,223.66
  5. Step 5: Solve for x
    x = 50,371,223.66/10,571.88
  6. Step 6: Final answer
    x = 4,764.64

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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.