Home / 7,438.62-11,153.98-3,273.81

Finding the Fourth Proportional to 7,438.62, 11,153.98 and 3,273.81

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Solution

The fourth proportional to 7,438.62, 11,153.98 and 3,273.81 is: 4,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.62 : 11,153.98 = 3,273.81 : x
  2. Step 2: Convert to fraction form
    7,438.62/11,153.98 = 3,273.81/x
  3. Step 3: Cross multiply
    7,438.62x = 11,153.98 × 3,273.81
  4. Step 4: Simplify right side
    7,438.62x = 36,516,011.26
  5. Step 5: Solve for x
    x = 36,516,011.26/7,438.62
  6. Step 6: Final answer
    x = 4,908.98

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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.