Home / 6,651.15-9,178.64-3,667.09

Finding the Fourth Proportional to 6,651.15, 9,178.64 and 3,667.09

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Solution

The fourth proportional to 6,651.15, 9,178.64 and 3,667.09 is: 5,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.15 : 9,178.64 = 3,667.09 : x
  2. Step 2: Convert to fraction form
    6,651.15/9,178.64 = 3,667.09/x
  3. Step 3: Cross multiply
    6,651.15x = 9,178.64 × 3,667.09
  4. Step 4: Simplify right side
    6,651.15x = 33,658,853.06
  5. Step 5: Solve for x
    x = 33,658,853.06/6,651.15
  6. Step 6: Final answer
    x = 5,060.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.