Home / 11,151.90-16,723.80-3,756.60

Finding the Fourth Proportional to 11,151.90, 16,723.80 and 3,756.60

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Solution

The fourth proportional to 11,151.90, 16,723.80 and 3,756.60 is: 5,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.90 : 16,723.80 = 3,756.60 : x
  2. Step 2: Convert to fraction form
    11,151.90/16,723.80 = 3,756.60/x
  3. Step 3: Cross multiply
    11,151.90x = 16,723.80 × 3,756.60
  4. Step 4: Simplify right side
    11,151.90x = 62,824,627.08
  5. Step 5: Solve for x
    x = 62,824,627.08/11,151.90
  6. Step 6: Final answer
    x = 5,633.54

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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.