Home / 9,372.96-12,933.68-5,180.96

Finding the Fourth Proportional to 9,372.96, 12,933.68 and 5,180.96

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Solution

The fourth proportional to 9,372.96, 12,933.68 and 5,180.96 is: 7,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.96 : 12,933.68 = 5,180.96 : x
  2. Step 2: Convert to fraction form
    9,372.96/12,933.68 = 5,180.96/x
  3. Step 3: Cross multiply
    9,372.96x = 12,933.68 × 5,180.96
  4. Step 4: Simplify right side
    9,372.96x = 67,008,878.73
  5. Step 5: Solve for x
    x = 67,008,878.73/9,372.96
  6. Step 6: Final answer
    x = 7,149.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.