Home / 11,863.96-16,372.18-6,558.68

Finding the Fourth Proportional to 11,863.96, 16,372.18 and 6,558.68

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Solution

The fourth proportional to 11,863.96, 16,372.18 and 6,558.68 is: 9,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.96 : 16,372.18 = 6,558.68 : x
  2. Step 2: Convert to fraction form
    11,863.96/16,372.18 = 6,558.68/x
  3. Step 3: Cross multiply
    11,863.96x = 16,372.18 × 6,558.68
  4. Step 4: Simplify right side
    11,863.96x = 107,379,889.52
  5. Step 5: Solve for x
    x = 107,379,889.52/11,863.96
  6. Step 6: Final answer
    x = 9,050.93

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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.