Home / 10,863.50-14,990.91-6,082.61

Finding the Fourth Proportional to 10,863.50, 14,990.91 and 6,082.61

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Solution

The fourth proportional to 10,863.50, 14,990.91 and 6,082.61 is: 8,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.50 : 14,990.91 = 6,082.61 : x
  2. Step 2: Convert to fraction form
    10,863.50/14,990.91 = 6,082.61/x
  3. Step 3: Cross multiply
    10,863.50x = 14,990.91 × 6,082.61
  4. Step 4: Simplify right side
    10,863.50x = 91,183,859.08
  5. Step 5: Solve for x
    x = 91,183,859.08/10,863.50
  6. Step 6: Final answer
    x = 8,393.60

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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.