Home / 8,559.18-12,831.24-4,114.62

Finding the Fourth Proportional to 8,559.18, 12,831.24 and 4,114.62

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Solution

The fourth proportional to 8,559.18, 12,831.24 and 4,114.62 is: 6,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.18 : 12,831.24 = 4,114.62 : x
  2. Step 2: Convert to fraction form
    8,559.18/12,831.24 = 4,114.62/x
  3. Step 3: Cross multiply
    8,559.18x = 12,831.24 × 4,114.62
  4. Step 4: Simplify right side
    8,559.18x = 52,795,676.73
  5. Step 5: Solve for x
    x = 52,795,676.73/8,559.18
  6. Step 6: Final answer
    x = 6,168.31

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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.