Home / 7,077.72-10,611.66-3,377.36

Finding the Fourth Proportional to 7,077.72, 10,611.66 and 3,377.36

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Solution

The fourth proportional to 7,077.72, 10,611.66 and 3,377.36 is: 5,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.72 : 10,611.66 = 3,377.36 : x
  2. Step 2: Convert to fraction form
    7,077.72/10,611.66 = 3,377.36/x
  3. Step 3: Cross multiply
    7,077.72x = 10,611.66 × 3,377.36
  4. Step 4: Simplify right side
    7,077.72x = 35,839,396.02
  5. Step 5: Solve for x
    x = 35,839,396.02/7,077.72
  6. Step 6: Final answer
    x = 5,063.69

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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.