Home / 10,768.53-16,152.75-2,871.03

Finding the Fourth Proportional to 10,768.53, 16,152.75 and 2,871.03

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Solution

The fourth proportional to 10,768.53, 16,152.75 and 2,871.03 is: 4,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.53 : 16,152.75 = 2,871.03 : x
  2. Step 2: Convert to fraction form
    10,768.53/16,152.75 = 2,871.03/x
  3. Step 3: Cross multiply
    10,768.53x = 16,152.75 × 2,871.03
  4. Step 4: Simplify right side
    10,768.53x = 46,375,029.83
  5. Step 5: Solve for x
    x = 46,375,029.83/10,768.53
  6. Step 6: Final answer
    x = 4,306.53

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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.