Home / 8,192.96-12,286.31-2,926.98

Finding the Fourth Proportional to 8,192.96, 12,286.31 and 2,926.98

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Solution

The fourth proportional to 8,192.96, 12,286.31 and 2,926.98 is: 4,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.96 : 12,286.31 = 2,926.98 : x
  2. Step 2: Convert to fraction form
    8,192.96/12,286.31 = 2,926.98/x
  3. Step 3: Cross multiply
    8,192.96x = 12,286.31 × 2,926.98
  4. Step 4: Simplify right side
    8,192.96x = 35,961,769.01
  5. Step 5: Solve for x
    x = 35,961,769.01/8,192.96
  6. Step 6: Final answer
    x = 4,389.35

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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.