Home / 8,780.41-13,174.07-3,846.59

Finding the Fourth Proportional to 8,780.41, 13,174.07 and 3,846.59

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Solution

The fourth proportional to 8,780.41, 13,174.07 and 3,846.59 is: 5,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.41 : 13,174.07 = 3,846.59 : x
  2. Step 2: Convert to fraction form
    8,780.41/13,174.07 = 3,846.59/x
  3. Step 3: Cross multiply
    8,780.41x = 13,174.07 × 3,846.59
  4. Step 4: Simplify right side
    8,780.41x = 50,675,245.92
  5. Step 5: Solve for x
    x = 50,675,245.92/8,780.41
  6. Step 6: Final answer
    x = 5,771.40

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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.