Home / 8,401.32-11,593.53-4,863.78

Finding the Fourth Proportional to 8,401.32, 11,593.53 and 4,863.78

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Solution

The fourth proportional to 8,401.32, 11,593.53 and 4,863.78 is: 6,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.32 : 11,593.53 = 4,863.78 : x
  2. Step 2: Convert to fraction form
    8,401.32/11,593.53 = 4,863.78/x
  3. Step 3: Cross multiply
    8,401.32x = 11,593.53 × 4,863.78
  4. Step 4: Simplify right side
    8,401.32x = 56,388,379.34
  5. Step 5: Solve for x
    x = 56,388,379.34/8,401.32
  6. Step 6: Final answer
    x = 6,711.85

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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.