Home / 11,519.20-17,274.48-4,942

Finding the Fourth Proportional to 11,519.20, 17,274.48 and 4,942

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Solution

The fourth proportional to 11,519.20, 17,274.48 and 4,942 is: 7,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.20 : 17,274.48 = 4,942 : x
  2. Step 2: Convert to fraction form
    11,519.20/17,274.48 = 4,942/x
  3. Step 3: Cross multiply
    11,519.20x = 17,274.48 × 4,942
  4. Step 4: Simplify right side
    11,519.20x = 85,370,480.16
  5. Step 5: Solve for x
    x = 85,370,480.16/11,519.20
  6. Step 6: Final answer
    x = 7,411.15

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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.