Home / 8,173.71-12,245.10-4,831.96

Finding the Fourth Proportional to 8,173.71, 12,245.10 and 4,831.96

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Solution

The fourth proportional to 8,173.71, 12,245.10 and 4,831.96 is: 7,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.71 : 12,245.10 = 4,831.96 : x
  2. Step 2: Convert to fraction form
    8,173.71/12,245.10 = 4,831.96/x
  3. Step 3: Cross multiply
    8,173.71x = 12,245.10 × 4,831.96
  4. Step 4: Simplify right side
    8,173.71x = 59,167,784.66
  5. Step 5: Solve for x
    x = 59,167,784.66/8,173.71
  6. Step 6: Final answer
    x = 7,238.79

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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.