Home / 8,186.18-12,277.41-3,256.91

Finding the Fourth Proportional to 8,186.18, 12,277.41 and 3,256.91

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Solution

The fourth proportional to 8,186.18, 12,277.41 and 3,256.91 is: 4,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.18 : 12,277.41 = 3,256.91 : x
  2. Step 2: Convert to fraction form
    8,186.18/12,277.41 = 3,256.91/x
  3. Step 3: Cross multiply
    8,186.18x = 12,277.41 × 3,256.91
  4. Step 4: Simplify right side
    8,186.18x = 39,986,419.40
  5. Step 5: Solve for x
    x = 39,986,419.40/8,186.18
  6. Step 6: Final answer
    x = 4,884.62

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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.