Home / 8,200.85-11,319.39-4,844.86

Finding the Fourth Proportional to 8,200.85, 11,319.39 and 4,844.86

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Solution

The fourth proportional to 8,200.85, 11,319.39 and 4,844.86 is: 6,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.85 : 11,319.39 = 4,844.86 : x
  2. Step 2: Convert to fraction form
    8,200.85/11,319.39 = 4,844.86/x
  3. Step 3: Cross multiply
    8,200.85x = 11,319.39 × 4,844.86
  4. Step 4: Simplify right side
    8,200.85x = 54,840,831.54
  5. Step 5: Solve for x
    x = 54,840,831.54/8,200.85
  6. Step 6: Final answer
    x = 6,687.22

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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.