Home / 8,815.92-13,224.30-4,917.36

Finding the Fourth Proportional to 8,815.92, 13,224.30 and 4,917.36

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Solution

The fourth proportional to 8,815.92, 13,224.30 and 4,917.36 is: 7,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.92 : 13,224.30 = 4,917.36 : x
  2. Step 2: Convert to fraction form
    8,815.92/13,224.30 = 4,917.36/x
  3. Step 3: Cross multiply
    8,815.92x = 13,224.30 × 4,917.36
  4. Step 4: Simplify right side
    8,815.92x = 65,028,643.85
  5. Step 5: Solve for x
    x = 65,028,643.85/8,815.92
  6. Step 6: Final answer
    x = 7,376.27

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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.