Home / 11,672.27-16,107.90-6,636.48

Finding the Fourth Proportional to 11,672.27, 16,107.90 and 6,636.48

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Solution

The fourth proportional to 11,672.27, 16,107.90 and 6,636.48 is: 9,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.27 : 16,107.90 = 6,636.48 : x
  2. Step 2: Convert to fraction form
    11,672.27/16,107.90 = 6,636.48/x
  3. Step 3: Cross multiply
    11,672.27x = 16,107.90 × 6,636.48
  4. Step 4: Simplify right side
    11,672.27x = 106,899,681.56
  5. Step 5: Solve for x
    x = 106,899,681.56/11,672.27
  6. Step 6: Final answer
    x = 9,158.43

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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.