Home / 8,896.11-13,345.78-2,972.43

Finding the Fourth Proportional to 8,896.11, 13,345.78 and 2,972.43

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Solution

The fourth proportional to 8,896.11, 13,345.78 and 2,972.43 is: 4,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.11 : 13,345.78 = 2,972.43 : x
  2. Step 2: Convert to fraction form
    8,896.11/13,345.78 = 2,972.43/x
  3. Step 3: Cross multiply
    8,896.11x = 13,345.78 × 2,972.43
  4. Step 4: Simplify right side
    8,896.11x = 39,669,396.85
  5. Step 5: Solve for x
    x = 39,669,396.85/8,896.11
  6. Step 6: Final answer
    x = 4,459.19

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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.