Home / 11,009.13-16,514.79-3,613.62

Finding the Fourth Proportional to 11,009.13, 16,514.79 and 3,613.62

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Solution

The fourth proportional to 11,009.13, 16,514.79 and 3,613.62 is: 5,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.13 : 16,514.79 = 3,613.62 : x
  2. Step 2: Convert to fraction form
    11,009.13/16,514.79 = 3,613.62/x
  3. Step 3: Cross multiply
    11,009.13x = 16,514.79 × 3,613.62
  4. Step 4: Simplify right side
    11,009.13x = 59,678,175.44
  5. Step 5: Solve for x
    x = 59,678,175.44/11,009.13
  6. Step 6: Final answer
    x = 5,420.79

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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.