Home / 11,863.70-16,371.90-6,558.52

Finding the Fourth Proportional to 11,863.70, 16,371.90 and 6,558.52

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Solution

The fourth proportional to 11,863.70, 16,371.90 and 6,558.52 is: 9,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.70 : 16,371.90 = 6,558.52 : x
  2. Step 2: Convert to fraction form
    11,863.70/16,371.90 = 6,558.52/x
  3. Step 3: Cross multiply
    11,863.70x = 16,371.90 × 6,558.52
  4. Step 4: Simplify right side
    11,863.70x = 107,375,433.59
  5. Step 5: Solve for x
    x = 107,375,433.59/11,863.70
  6. Step 6: Final answer
    x = 9,050.75

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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.