Home / 8,550.18-12,801.67-4,381.31

Finding the Fourth Proportional to 8,550.18, 12,801.67 and 4,381.31

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Solution

The fourth proportional to 8,550.18, 12,801.67 and 4,381.31 is: 6,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.18 : 12,801.67 = 4,381.31 : x
  2. Step 2: Convert to fraction form
    8,550.18/12,801.67 = 4,381.31/x
  3. Step 3: Cross multiply
    8,550.18x = 12,801.67 × 4,381.31
  4. Step 4: Simplify right side
    8,550.18x = 56,088,074.26
  5. Step 5: Solve for x
    x = 56,088,074.26/8,550.18
  6. Step 6: Final answer
    x = 6,559.87

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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.