Home / 11,205.62-15,463.48-6,169.80

Finding the Fourth Proportional to 11,205.62, 15,463.48 and 6,169.80

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Solution

The fourth proportional to 11,205.62, 15,463.48 and 6,169.80 is: 8,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.62 : 15,463.48 = 6,169.80 : x
  2. Step 2: Convert to fraction form
    11,205.62/15,463.48 = 6,169.80/x
  3. Step 3: Cross multiply
    11,205.62x = 15,463.48 × 6,169.80
  4. Step 4: Simplify right side
    11,205.62x = 95,406,578.90
  5. Step 5: Solve for x
    x = 95,406,578.90/11,205.62
  6. Step 6: Final answer
    x = 8,514.17

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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.