Home / 7,633.64-11,455.86-3,474.18

Finding the Fourth Proportional to 7,633.64, 11,455.86 and 3,474.18

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Solution

The fourth proportional to 7,633.64, 11,455.86 and 3,474.18 is: 5,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.64 : 11,455.86 = 3,474.18 : x
  2. Step 2: Convert to fraction form
    7,633.64/11,455.86 = 3,474.18/x
  3. Step 3: Cross multiply
    7,633.64x = 11,455.86 × 3,474.18
  4. Step 4: Simplify right side
    7,633.64x = 39,799,732.72
  5. Step 5: Solve for x
    x = 39,799,732.72/7,633.64
  6. Step 6: Final answer
    x = 5,213.73

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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.