Home / 8,768.35-13,153.83-2,923.57

Finding the Fourth Proportional to 8,768.35, 13,153.83 and 2,923.57

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Solution

The fourth proportional to 8,768.35, 13,153.83 and 2,923.57 is: 4,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.35 : 13,153.83 = 2,923.57 : x
  2. Step 2: Convert to fraction form
    8,768.35/13,153.83 = 2,923.57/x
  3. Step 3: Cross multiply
    8,768.35x = 13,153.83 × 2,923.57
  4. Step 4: Simplify right side
    8,768.35x = 38,456,142.77
  5. Step 5: Solve for x
    x = 38,456,142.77/8,768.35
  6. Step 6: Final answer
    x = 4,385.79

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1.5x scale

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.