Home / 11,683.92-17,515.44-4,286.64

Finding the Fourth Proportional to 11,683.92, 17,515.44 and 4,286.64

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Solution

The fourth proportional to 11,683.92, 17,515.44 and 4,286.64 is: 6,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.92 : 17,515.44 = 4,286.64 : x
  2. Step 2: Convert to fraction form
    11,683.92/17,515.44 = 4,286.64/x
  3. Step 3: Cross multiply
    11,683.92x = 17,515.44 × 4,286.64
  4. Step 4: Simplify right side
    11,683.92x = 75,082,385.72
  5. Step 5: Solve for x
    x = 75,082,385.72/11,683.92
  6. Step 6: Final answer
    x = 6,426.13

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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.