Home / 10,771.14-16,146.76-5,776.99

Finding the Fourth Proportional to 10,771.14, 16,146.76 and 5,776.99

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Solution

The fourth proportional to 10,771.14, 16,146.76 and 5,776.99 is: 8,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.14 : 16,146.76 = 5,776.99 : x
  2. Step 2: Convert to fraction form
    10,771.14/16,146.76 = 5,776.99/x
  3. Step 3: Cross multiply
    10,771.14x = 16,146.76 × 5,776.99
  4. Step 4: Simplify right side
    10,771.14x = 93,279,671.05
  5. Step 5: Solve for x
    x = 93,279,671.05/10,771.14
  6. Step 6: Final answer
    x = 8,660.15

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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.