Home / 7,736.88-11,611.08-3,635.76

Finding the Fourth Proportional to 7,736.88, 11,611.08 and 3,635.76

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Solution

The fourth proportional to 7,736.88, 11,611.08 and 3,635.76 is: 5,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.88 : 11,611.08 = 3,635.76 : x
  2. Step 2: Convert to fraction form
    7,736.88/11,611.08 = 3,635.76/x
  3. Step 3: Cross multiply
    7,736.88x = 11,611.08 × 3,635.76
  4. Step 4: Simplify right side
    7,736.88x = 42,215,100.22
  5. Step 5: Solve for x
    x = 42,215,100.22/7,736.88
  6. Step 6: Final answer
    x = 5,456.35

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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.