Home / 10,976.68-16,464.45-3,079.75

Finding the Fourth Proportional to 10,976.68, 16,464.45 and 3,079.75

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Solution

The fourth proportional to 10,976.68, 16,464.45 and 3,079.75 is: 4,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.68 : 16,464.45 = 3,079.75 : x
  2. Step 2: Convert to fraction form
    10,976.68/16,464.45 = 3,079.75/x
  3. Step 3: Cross multiply
    10,976.68x = 16,464.45 × 3,079.75
  4. Step 4: Simplify right side
    10,976.68x = 50,706,389.89
  5. Step 5: Solve for x
    x = 50,706,389.89/10,976.68
  6. Step 6: Final answer
    x = 4,619.47

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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.