Home / 10,062.15-13,879.46-6,481.75

Finding the Fourth Proportional to 10,062.15, 13,879.46 and 6,481.75

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Solution

The fourth proportional to 10,062.15, 13,879.46 and 6,481.75 is: 8,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.15 : 13,879.46 = 6,481.75 : x
  2. Step 2: Convert to fraction form
    10,062.15/13,879.46 = 6,481.75/x
  3. Step 3: Cross multiply
    10,062.15x = 13,879.46 × 6,481.75
  4. Step 4: Simplify right side
    10,062.15x = 89,963,189.86
  5. Step 5: Solve for x
    x = 89,963,189.86/10,062.15
  6. Step 6: Final answer
    x = 8,940.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.