Home / 8,215.66-12,325.34-2,372.73

Finding the Fourth Proportional to 8,215.66, 12,325.34 and 2,372.73

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Solution

The fourth proportional to 8,215.66, 12,325.34 and 2,372.73 is: 3,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.66 : 12,325.34 = 2,372.73 : x
  2. Step 2: Convert to fraction form
    8,215.66/12,325.34 = 2,372.73/x
  3. Step 3: Cross multiply
    8,215.66x = 12,325.34 × 2,372.73
  4. Step 4: Simplify right side
    8,215.66x = 29,244,703.98
  5. Step 5: Solve for x
    x = 29,244,703.98/8,215.66
  6. Step 6: Final answer
    x = 3,559.63

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1.5x scale

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.