Home / 11,748.22-17,621.86-3,851.32

Finding the Fourth Proportional to 11,748.22, 17,621.86 and 3,851.32

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Solution

The fourth proportional to 11,748.22, 17,621.86 and 3,851.32 is: 5,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.22 : 17,621.86 = 3,851.32 : x
  2. Step 2: Convert to fraction form
    11,748.22/17,621.86 = 3,851.32/x
  3. Step 3: Cross multiply
    11,748.22x = 17,621.86 × 3,851.32
  4. Step 4: Simplify right side
    11,748.22x = 67,867,421.86
  5. Step 5: Solve for x
    x = 67,867,421.86/11,748.22
  6. Step 6: Final answer
    x = 5,776.83

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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.