Home / 8,550.24-12,831.10-3,003.60

Finding the Fourth Proportional to 8,550.24, 12,831.10 and 3,003.60

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Solution

The fourth proportional to 8,550.24, 12,831.10 and 3,003.60 is: 4,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.24 : 12,831.10 = 3,003.60 : x
  2. Step 2: Convert to fraction form
    8,550.24/12,831.10 = 3,003.60/x
  3. Step 3: Cross multiply
    8,550.24x = 12,831.10 × 3,003.60
  4. Step 4: Simplify right side
    8,550.24x = 38,539,491.96
  5. Step 5: Solve for x
    x = 38,539,491.96/8,550.24
  6. Step 6: Final answer
    x = 4,507.42

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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.