Home / 11,992.14-16,548.74-6,614.79

Finding the Fourth Proportional to 11,992.14, 16,548.74 and 6,614.79

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Solution

The fourth proportional to 11,992.14, 16,548.74 and 6,614.79 is: 9,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.14 : 16,548.74 = 6,614.79 : x
  2. Step 2: Convert to fraction form
    11,992.14/16,548.74 = 6,614.79/x
  3. Step 3: Cross multiply
    11,992.14x = 16,548.74 × 6,614.79
  4. Step 4: Simplify right side
    11,992.14x = 109,466,357.12
  5. Step 5: Solve for x
    x = 109,466,357.12/11,992.14
  6. Step 6: Final answer
    x = 9,128.18

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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.