Home / 8,370.27-12,555.77-3,173.31

Finding the Fourth Proportional to 8,370.27, 12,555.77 and 3,173.31

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Solution

The fourth proportional to 8,370.27, 12,555.77 and 3,173.31 is: 4,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.27 : 12,555.77 = 3,173.31 : x
  2. Step 2: Convert to fraction form
    8,370.27/12,555.77 = 3,173.31/x
  3. Step 3: Cross multiply
    8,370.27x = 12,555.77 × 3,173.31
  4. Step 4: Simplify right side
    8,370.27x = 39,843,334.63
  5. Step 5: Solve for x
    x = 39,843,334.63/8,370.27
  6. Step 6: Final answer
    x = 4,760.10

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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.