Home / 11,668.86-16,107.66-7,196.85

Finding the Fourth Proportional to 11,668.86, 16,107.66 and 7,196.85

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Solution

The fourth proportional to 11,668.86, 16,107.66 and 7,196.85 is: 9,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.86 : 16,107.66 = 7,196.85 : x
  2. Step 2: Convert to fraction form
    11,668.86/16,107.66 = 7,196.85/x
  3. Step 3: Cross multiply
    11,668.86x = 16,107.66 × 7,196.85
  4. Step 4: Simplify right side
    11,668.86x = 115,924,412.87
  5. Step 5: Solve for x
    x = 115,924,412.87/11,668.86
  6. Step 6: Final answer
    x = 9,934.51

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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.