Home / 6,923.68-10,380.64-3,458.48

Finding the Fourth Proportional to 6,923.68, 10,380.64 and 3,458.48

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Solution

The fourth proportional to 6,923.68, 10,380.64 and 3,458.48 is: 5,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.68 : 10,380.64 = 3,458.48 : x
  2. Step 2: Convert to fraction form
    6,923.68/10,380.64 = 3,458.48/x
  3. Step 3: Cross multiply
    6,923.68x = 10,380.64 × 3,458.48
  4. Step 4: Simplify right side
    6,923.68x = 35,901,235.83
  5. Step 5: Solve for x
    x = 35,901,235.83/6,923.68
  6. Step 6: Final answer
    x = 5,185.28

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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.