Home / 10,871.04-16,306.62-3,079.86

Finding the Fourth Proportional to 10,871.04, 16,306.62 and 3,079.86

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Solution

The fourth proportional to 10,871.04, 16,306.62 and 3,079.86 is: 4,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.04 : 16,306.62 = 3,079.86 : x
  2. Step 2: Convert to fraction form
    10,871.04/16,306.62 = 3,079.86/x
  3. Step 3: Cross multiply
    10,871.04x = 16,306.62 × 3,079.86
  4. Step 4: Simplify right side
    10,871.04x = 50,222,106.67
  5. Step 5: Solve for x
    x = 50,222,106.67/10,871.04
  6. Step 6: Final answer
    x = 4,619.81

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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.