Home / 10,835.10-16,252.65-8,081.10

Finding the Fourth Proportional to 10,835.10, 16,252.65 and 8,081.10

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Solution

The fourth proportional to 10,835.10, 16,252.65 and 8,081.10 is: 12,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.10 : 16,252.65 = 8,081.10 : x
  2. Step 2: Convert to fraction form
    10,835.10/16,252.65 = 8,081.10/x
  3. Step 3: Cross multiply
    10,835.10x = 16,252.65 × 8,081.10
  4. Step 4: Simplify right side
    10,835.10x = 131,339,289.92
  5. Step 5: Solve for x
    x = 131,339,289.92/10,835.10
  6. Step 6: Final answer
    x = 12,121.65

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Similar ratio
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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.