Home / 11,274.45-15,558.24-6,169.86

Finding the Fourth Proportional to 11,274.45, 15,558.24 and 6,169.86

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Solution

The fourth proportional to 11,274.45, 15,558.24 and 6,169.86 is: 8,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.45 : 15,558.24 = 6,169.86 : x
  2. Step 2: Convert to fraction form
    11,274.45/15,558.24 = 6,169.86/x
  3. Step 3: Cross multiply
    11,274.45x = 15,558.24 × 6,169.86
  4. Step 4: Simplify right side
    11,274.45x = 95,992,162.65
  5. Step 5: Solve for x
    x = 95,992,162.65/11,274.45
  6. Step 6: Final answer
    x = 8,514.13

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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.