Home / 7,328.72-10,993.99-2,648.14

Finding the Fourth Proportional to 7,328.72, 10,993.99 and 2,648.14

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Solution

The fourth proportional to 7,328.72, 10,993.99 and 2,648.14 is: 3,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.72 : 10,993.99 = 2,648.14 : x
  2. Step 2: Convert to fraction form
    7,328.72/10,993.99 = 2,648.14/x
  3. Step 3: Cross multiply
    7,328.72x = 10,993.99 × 2,648.14
  4. Step 4: Simplify right side
    7,328.72x = 29,113,624.68
  5. Step 5: Solve for x
    x = 29,113,624.68/7,328.72
  6. Step 6: Final answer
    x = 3,972.54

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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.