Home / 6,515.82-9,774.72-2,132.28

Finding the Fourth Proportional to 6,515.82, 9,774.72 and 2,132.28

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Solution

The fourth proportional to 6,515.82, 9,774.72 and 2,132.28 is: 3,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.82 : 9,774.72 = 2,132.28 : x
  2. Step 2: Convert to fraction form
    6,515.82/9,774.72 = 2,132.28/x
  3. Step 3: Cross multiply
    6,515.82x = 9,774.72 × 2,132.28
  4. Step 4: Simplify right side
    6,515.82x = 20,842,439.96
  5. Step 5: Solve for x
    x = 20,842,439.96/6,515.82
  6. Step 6: Final answer
    x = 3,198.74

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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.