Home / 11,167.08-16,749.12-3,771.48

Finding the Fourth Proportional to 11,167.08, 16,749.12 and 3,771.48

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Solution

The fourth proportional to 11,167.08, 16,749.12 and 3,771.48 is: 5,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.08 : 16,749.12 = 3,771.48 : x
  2. Step 2: Convert to fraction form
    11,167.08/16,749.12 = 3,771.48/x
  3. Step 3: Cross multiply
    11,167.08x = 16,749.12 × 3,771.48
  4. Step 4: Simplify right side
    11,167.08x = 63,168,971.10
  5. Step 5: Solve for x
    x = 63,168,971.10/11,167.08
  6. Step 6: Final answer
    x = 5,656.71

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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.