Home / 11,317.02-16,976.67-3,919.78

Finding the Fourth Proportional to 11,317.02, 16,976.67 and 3,919.78

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Solution

The fourth proportional to 11,317.02, 16,976.67 and 3,919.78 is: 5,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.02 : 16,976.67 = 3,919.78 : x
  2. Step 2: Convert to fraction form
    11,317.02/16,976.67 = 3,919.78/x
  3. Step 3: Cross multiply
    11,317.02x = 16,976.67 × 3,919.78
  4. Step 4: Simplify right side
    11,317.02x = 66,544,811.53
  5. Step 5: Solve for x
    x = 66,544,811.53/11,317.02
  6. Step 6: Final answer
    x = 5,880.06

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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.