Home / 11,301.08-16,939.68-5,445.32

Finding the Fourth Proportional to 11,301.08, 16,939.68 and 5,445.32

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Solution

The fourth proportional to 11,301.08, 16,939.68 and 5,445.32 is: 8,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.08 : 16,939.68 = 5,445.32 : x
  2. Step 2: Convert to fraction form
    11,301.08/16,939.68 = 5,445.32/x
  3. Step 3: Cross multiply
    11,301.08x = 16,939.68 × 5,445.32
  4. Step 4: Simplify right side
    11,301.08x = 92,241,978.30
  5. Step 5: Solve for x
    x = 92,241,978.30/11,301.08
  6. Step 6: Final answer
    x = 8,162.23

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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.