Home / 10,991.74-16,487.38-2,671.80

Finding the Fourth Proportional to 10,991.74, 16,487.38 and 2,671.80

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Solution

The fourth proportional to 10,991.74, 16,487.38 and 2,671.80 is: 4,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.74 : 16,487.38 = 2,671.80 : x
  2. Step 2: Convert to fraction form
    10,991.74/16,487.38 = 2,671.80/x
  3. Step 3: Cross multiply
    10,991.74x = 16,487.38 × 2,671.80
  4. Step 4: Simplify right side
    10,991.74x = 44,050,968.53
  5. Step 5: Solve for x
    x = 44,050,968.53/10,991.74
  6. Step 6: Final answer
    x = 4,007.64

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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.