Home / 11,863.83-16,372.01-6,558.53

Finding the Fourth Proportional to 11,863.83, 16,372.01 and 6,558.53

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Solution

The fourth proportional to 11,863.83, 16,372.01 and 6,558.53 is: 9,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.83 : 16,372.01 = 6,558.53 : x
  2. Step 2: Convert to fraction form
    11,863.83/16,372.01 = 6,558.53/x
  3. Step 3: Cross multiply
    11,863.83x = 16,372.01 × 6,558.53
  4. Step 4: Simplify right side
    11,863.83x = 107,376,318.75
  5. Step 5: Solve for x
    x = 107,376,318.75/11,863.83
  6. Step 6: Final answer
    x = 9,050.73

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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.