Home / 7,380.20-11,066.86-3,916.52

Finding the Fourth Proportional to 7,380.20, 11,066.86 and 3,916.52

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Solution

The fourth proportional to 7,380.20, 11,066.86 and 3,916.52 is: 5,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.20 : 11,066.86 = 3,916.52 : x
  2. Step 2: Convert to fraction form
    7,380.20/11,066.86 = 3,916.52/x
  3. Step 3: Cross multiply
    7,380.20x = 11,066.86 × 3,916.52
  4. Step 4: Simplify right side
    7,380.20x = 43,343,578.53
  5. Step 5: Solve for x
    x = 43,343,578.53/7,380.20
  6. Step 6: Final answer
    x = 5,872.95

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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.