Home / 7,841.08-11,757.21-3,158.56

Finding the Fourth Proportional to 7,841.08, 11,757.21 and 3,158.56

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Solution

The fourth proportional to 7,841.08, 11,757.21 and 3,158.56 is: 4,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.08 : 11,757.21 = 3,158.56 : x
  2. Step 2: Convert to fraction form
    7,841.08/11,757.21 = 3,158.56/x
  3. Step 3: Cross multiply
    7,841.08x = 11,757.21 × 3,158.56
  4. Step 4: Simplify right side
    7,841.08x = 37,135,853.22
  5. Step 5: Solve for x
    x = 37,135,853.22/7,841.08
  6. Step 6: Final answer
    x = 4,736.06

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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.