Home / 11,229.88-16,849.65-4,657.54

Finding the Fourth Proportional to 11,229.88, 16,849.65 and 4,657.54

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Solution

The fourth proportional to 11,229.88, 16,849.65 and 4,657.54 is: 6,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.88 : 16,849.65 = 4,657.54 : x
  2. Step 2: Convert to fraction form
    11,229.88/16,849.65 = 4,657.54/x
  3. Step 3: Cross multiply
    11,229.88x = 16,849.65 × 4,657.54
  4. Step 4: Simplify right side
    11,229.88x = 78,477,918.86
  5. Step 5: Solve for x
    x = 78,477,918.86/11,229.88
  6. Step 6: Final answer
    x = 6,988.31

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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.