Home / 7,439.76-11,161.62-3,737.52

Finding the Fourth Proportional to 7,439.76, 11,161.62 and 3,737.52

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Solution

The fourth proportional to 7,439.76, 11,161.62 and 3,737.52 is: 5,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.76 : 11,161.62 = 3,737.52 : x
  2. Step 2: Convert to fraction form
    7,439.76/11,161.62 = 3,737.52/x
  3. Step 3: Cross multiply
    7,439.76x = 11,161.62 × 3,737.52
  4. Step 4: Simplify right side
    7,439.76x = 41,716,777.98
  5. Step 5: Solve for x
    x = 41,716,777.98/7,439.76
  6. Step 6: Final answer
    x = 5,607.27

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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.