Home / 8,731.22-13,096.85-3,184.56

Finding the Fourth Proportional to 8,731.22, 13,096.85 and 3,184.56

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Solution

The fourth proportional to 8,731.22, 13,096.85 and 3,184.56 is: 4,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.22 : 13,096.85 = 3,184.56 : x
  2. Step 2: Convert to fraction form
    8,731.22/13,096.85 = 3,184.56/x
  3. Step 3: Cross multiply
    8,731.22x = 13,096.85 × 3,184.56
  4. Step 4: Simplify right side
    8,731.22x = 41,707,688.71
  5. Step 5: Solve for x
    x = 41,707,688.71/8,731.22
  6. Step 6: Final answer
    x = 4,776.85

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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.