Home / 8,752.96-13,121.33-2,908.54

Finding the Fourth Proportional to 8,752.96, 13,121.33 and 2,908.54

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Solution

The fourth proportional to 8,752.96, 13,121.33 and 2,908.54 is: 4,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.96 : 13,121.33 = 2,908.54 : x
  2. Step 2: Convert to fraction form
    8,752.96/13,121.33 = 2,908.54/x
  3. Step 3: Cross multiply
    8,752.96x = 13,121.33 × 2,908.54
  4. Step 4: Simplify right side
    8,752.96x = 38,163,847.55
  5. Step 5: Solve for x
    x = 38,163,847.55/8,752.96
  6. Step 6: Final answer
    x = 4,360.11

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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.