Home / 11,131.42-16,698.26-4,113.28

Finding the Fourth Proportional to 11,131.42, 16,698.26 and 4,113.28

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Solution

The fourth proportional to 11,131.42, 16,698.26 and 4,113.28 is: 6,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.42 : 16,698.26 = 4,113.28 : x
  2. Step 2: Convert to fraction form
    11,131.42/16,698.26 = 4,113.28/x
  3. Step 3: Cross multiply
    11,131.42x = 16,698.26 × 4,113.28
  4. Step 4: Simplify right side
    11,131.42x = 68,684,618.89
  5. Step 5: Solve for x
    x = 68,684,618.89/11,131.42
  6. Step 6: Final answer
    x = 6,170.34

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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.