Home / 8,776.41-13,165.49-3,780.46

Finding the Fourth Proportional to 8,776.41, 13,165.49 and 3,780.46

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Solution

The fourth proportional to 8,776.41, 13,165.49 and 3,780.46 is: 5,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.41 : 13,165.49 = 3,780.46 : x
  2. Step 2: Convert to fraction form
    8,776.41/13,165.49 = 3,780.46/x
  3. Step 3: Cross multiply
    8,776.41x = 13,165.49 × 3,780.46
  4. Step 4: Simplify right side
    8,776.41x = 49,771,608.33
  5. Step 5: Solve for x
    x = 49,771,608.33/8,776.41
  6. Step 6: Final answer
    x = 5,671.07

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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.