Home / 11,992.36-16,549.59-6,615.04

Finding the Fourth Proportional to 11,992.36, 16,549.59 and 6,615.04

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Solution

The fourth proportional to 11,992.36, 16,549.59 and 6,615.04 is: 9,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.36 : 16,549.59 = 6,615.04 : x
  2. Step 2: Convert to fraction form
    11,992.36/16,549.59 = 6,615.04/x
  3. Step 3: Cross multiply
    11,992.36x = 16,549.59 × 6,615.04
  4. Step 4: Simplify right side
    11,992.36x = 109,476,189.87
  5. Step 5: Solve for x
    x = 109,476,189.87/11,992.36
  6. Step 6: Final answer
    x = 9,128.83

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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.