Home / 11,940.57-16,476.84-6,635.07

Finding the Fourth Proportional to 11,940.57, 16,476.84 and 6,635.07

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Solution

The fourth proportional to 11,940.57, 16,476.84 and 6,635.07 is: 9,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.57 : 16,476.84 = 6,635.07 : x
  2. Step 2: Convert to fraction form
    11,940.57/16,476.84 = 6,635.07/x
  3. Step 3: Cross multiply
    11,940.57x = 16,476.84 × 6,635.07
  4. Step 4: Simplify right side
    11,940.57x = 109,324,986.78
  5. Step 5: Solve for x
    x = 109,324,986.78/11,940.57
  6. Step 6: Final answer
    x = 9,155.76

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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.