Home / 8,372.32-12,558.11-2,528.75

Finding the Fourth Proportional to 8,372.32, 12,558.11 and 2,528.75

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Solution

The fourth proportional to 8,372.32, 12,558.11 and 2,528.75 is: 3,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.32 : 12,558.11 = 2,528.75 : x
  2. Step 2: Convert to fraction form
    8,372.32/12,558.11 = 2,528.75/x
  3. Step 3: Cross multiply
    8,372.32x = 12,558.11 × 2,528.75
  4. Step 4: Simplify right side
    8,372.32x = 31,756,320.66
  5. Step 5: Solve for x
    x = 31,756,320.66/8,372.32
  6. Step 6: Final answer
    x = 3,793.01

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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.