Home / 8,431.32-12,652.62-3,500.94

Finding the Fourth Proportional to 8,431.32, 12,652.62 and 3,500.94

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Solution

The fourth proportional to 8,431.32, 12,652.62 and 3,500.94 is: 5,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.32 : 12,652.62 = 3,500.94 : x
  2. Step 2: Convert to fraction form
    8,431.32/12,652.62 = 3,500.94/x
  3. Step 3: Cross multiply
    8,431.32x = 12,652.62 × 3,500.94
  4. Step 4: Simplify right side
    8,431.32x = 44,296,063.46
  5. Step 5: Solve for x
    x = 44,296,063.46/8,431.32
  6. Step 6: Final answer
    x = 5,253.75

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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.