Home / 11,135.26-16,680.21-5,274.10

Finding the Fourth Proportional to 11,135.26, 16,680.21 and 5,274.10

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Solution

The fourth proportional to 11,135.26, 16,680.21 and 5,274.10 is: 7,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.26 : 16,680.21 = 5,274.10 : x
  2. Step 2: Convert to fraction form
    11,135.26/16,680.21 = 5,274.10/x
  3. Step 3: Cross multiply
    11,135.26x = 16,680.21 × 5,274.10
  4. Step 4: Simplify right side
    11,135.26x = 87,973,095.56
  5. Step 5: Solve for x
    x = 87,973,095.56/11,135.26
  6. Step 6: Final answer
    x = 7,900.41

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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.