Home / 7,722.46-11,574.37-3,556.77

Finding the Fourth Proportional to 7,722.46, 11,574.37 and 3,556.77

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Solution

The fourth proportional to 7,722.46, 11,574.37 and 3,556.77 is: 5,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.46 : 11,574.37 = 3,556.77 : x
  2. Step 2: Convert to fraction form
    7,722.46/11,574.37 = 3,556.77/x
  3. Step 3: Cross multiply
    7,722.46x = 11,574.37 × 3,556.77
  4. Step 4: Simplify right side
    7,722.46x = 41,167,371.98
  5. Step 5: Solve for x
    x = 41,167,371.98/7,722.46
  6. Step 6: Final answer
    x = 5,330.86

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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.