Home / 8,871.68-13,297.60-3,674.72

Finding the Fourth Proportional to 8,871.68, 13,297.60 and 3,674.72

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Solution

The fourth proportional to 8,871.68, 13,297.60 and 3,674.72 is: 5,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.68 : 13,297.60 = 3,674.72 : x
  2. Step 2: Convert to fraction form
    8,871.68/13,297.60 = 3,674.72/x
  3. Step 3: Cross multiply
    8,871.68x = 13,297.60 × 3,674.72
  4. Step 4: Simplify right side
    8,871.68x = 48,864,956.67
  5. Step 5: Solve for x
    x = 48,864,956.67/8,871.68
  6. Step 6: Final answer
    x = 5,507.97

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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.