Home / 7,071.47-10,611.67-3,953.52

Finding the Fourth Proportional to 7,071.47, 10,611.67 and 3,953.52

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Solution

The fourth proportional to 7,071.47, 10,611.67 and 3,953.52 is: 5,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.47 : 10,611.67 = 3,953.52 : x
  2. Step 2: Convert to fraction form
    7,071.47/10,611.67 = 3,953.52/x
  3. Step 3: Cross multiply
    7,071.47x = 10,611.67 × 3,953.52
  4. Step 4: Simplify right side
    7,071.47x = 41,953,414.73
  5. Step 5: Solve for x
    x = 41,953,414.73/7,071.47
  6. Step 6: Final answer
    x = 5,932.78

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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.