Home / 17,747.10-26,613.12-7,879.62

Finding the Fourth Proportional to 17,747.10, 26,613.12 and 7,879.62

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Solution

The fourth proportional to 17,747.10, 26,613.12 and 7,879.62 is: 11,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.10 : 26,613.12 = 7,879.62 : x
  2. Step 2: Convert to fraction form
    17,747.10/26,613.12 = 7,879.62/x
  3. Step 3: Cross multiply
    17,747.10x = 26,613.12 × 7,879.62
  4. Step 4: Simplify right side
    17,747.10x = 209,701,272.61
  5. Step 5: Solve for x
    x = 209,701,272.61/17,747.10
  6. Step 6: Final answer
    x = 11,816.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.