Home / 11,186.30-16,778.30-3,790.57

Finding the Fourth Proportional to 11,186.30, 16,778.30 and 3,790.57

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Solution

The fourth proportional to 11,186.30, 16,778.30 and 3,790.57 is: 5,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.30 : 16,778.30 = 3,790.57 : x
  2. Step 2: Convert to fraction form
    11,186.30/16,778.30 = 3,790.57/x
  3. Step 3: Cross multiply
    11,186.30x = 16,778.30 × 3,790.57
  4. Step 4: Simplify right side
    11,186.30x = 63,599,244.00
  5. Step 5: Solve for x
    x = 63,599,244.00/11,186.30
  6. Step 6: Final answer
    x = 5,685.46

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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.