Home / 8,958.92-13,436.86-2,385.80

Finding the Fourth Proportional to 8,958.92, 13,436.86 and 2,385.80

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Solution

The fourth proportional to 8,958.92, 13,436.86 and 2,385.80 is: 3,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.92 : 13,436.86 = 2,385.80 : x
  2. Step 2: Convert to fraction form
    8,958.92/13,436.86 = 2,385.80/x
  3. Step 3: Cross multiply
    8,958.92x = 13,436.86 × 2,385.80
  4. Step 4: Simplify right side
    8,958.92x = 32,057,660.59
  5. Step 5: Solve for x
    x = 32,057,660.59/8,958.92
  6. Step 6: Final answer
    x = 3,578.30

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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.