Home / 8,431.39-12,652.72-3,501.03

Finding the Fourth Proportional to 8,431.39, 12,652.72 and 3,501.03

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Solution

The fourth proportional to 8,431.39, 12,652.72 and 3,501.03 is: 5,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.39 : 12,652.72 = 3,501.03 : x
  2. Step 2: Convert to fraction form
    8,431.39/12,652.72 = 3,501.03/x
  3. Step 3: Cross multiply
    8,431.39x = 12,652.72 × 3,501.03
  4. Step 4: Simplify right side
    8,431.39x = 44,297,552.30
  5. Step 5: Solve for x
    x = 44,297,552.30/8,431.39
  6. Step 6: Final answer
    x = 5,253.88

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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.