Home / 8,558.38-11,813.20-5,568.94

Finding the Fourth Proportional to 8,558.38, 11,813.20 and 5,568.94

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Solution

The fourth proportional to 8,558.38, 11,813.20 and 5,568.94 is: 7,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.38 : 11,813.20 = 5,568.94 : x
  2. Step 2: Convert to fraction form
    8,558.38/11,813.20 = 5,568.94/x
  3. Step 3: Cross multiply
    8,558.38x = 11,813.20 × 5,568.94
  4. Step 4: Simplify right side
    8,558.38x = 65,787,002.01
  5. Step 5: Solve for x
    x = 65,787,002.01/8,558.38
  6. Step 6: Final answer
    x = 7,686.85

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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.