Home / 11,940.12-16,475.88-6,634.56

Finding the Fourth Proportional to 11,940.12, 16,475.88 and 6,634.56

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Solution

The fourth proportional to 11,940.12, 16,475.88 and 6,634.56 is: 9,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.12 : 16,475.88 = 6,634.56 : x
  2. Step 2: Convert to fraction form
    11,940.12/16,475.88 = 6,634.56/x
  3. Step 3: Cross multiply
    11,940.12x = 16,475.88 × 6,634.56
  4. Step 4: Simplify right side
    11,940.12x = 109,310,214.41
  5. Step 5: Solve for x
    x = 109,310,214.41/11,940.12
  6. Step 6: Final answer
    x = 9,154.87

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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.