Home / 10,751.25-16,129.95-5,481.95

Finding the Fourth Proportional to 10,751.25, 16,129.95 and 5,481.95

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Solution

The fourth proportional to 10,751.25, 16,129.95 and 5,481.95 is: 8,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.25 : 16,129.95 = 5,481.95 : x
  2. Step 2: Convert to fraction form
    10,751.25/16,129.95 = 5,481.95/x
  3. Step 3: Cross multiply
    10,751.25x = 16,129.95 × 5,481.95
  4. Step 4: Simplify right side
    10,751.25x = 88,423,498.75
  5. Step 5: Solve for x
    x = 88,423,498.75/10,751.25
  6. Step 6: Final answer
    x = 8,224.49

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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.