Home / 11,743.08-17,614.64-2,978.68

Finding the Fourth Proportional to 11,743.08, 17,614.64 and 2,978.68

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Solution

The fourth proportional to 11,743.08, 17,614.64 and 2,978.68 is: 4,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.08 : 17,614.64 = 2,978.68 : x
  2. Step 2: Convert to fraction form
    11,743.08/17,614.64 = 2,978.68/x
  3. Step 3: Cross multiply
    11,743.08x = 17,614.64 × 2,978.68
  4. Step 4: Simplify right side
    11,743.08x = 52,468,375.88
  5. Step 5: Solve for x
    x = 52,468,375.88/11,743.08
  6. Step 6: Final answer
    x = 4,468.03

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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.