Home / 11,261.16-16,889.82-3,763.86

Finding the Fourth Proportional to 11,261.16, 16,889.82 and 3,763.86

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Solution

The fourth proportional to 11,261.16, 16,889.82 and 3,763.86 is: 5,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.16 : 16,889.82 = 3,763.86 : x
  2. Step 2: Convert to fraction form
    11,261.16/16,889.82 = 3,763.86/x
  3. Step 3: Cross multiply
    11,261.16x = 16,889.82 × 3,763.86
  4. Step 4: Simplify right side
    11,261.16x = 63,570,917.91
  5. Step 5: Solve for x
    x = 63,570,917.91/11,261.16
  6. Step 6: Final answer
    x = 5,645.15

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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.