Home / 6,651.21-9,178.68-3,667.32

Finding the Fourth Proportional to 6,651.21, 9,178.68 and 3,667.32

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Solution

The fourth proportional to 6,651.21, 9,178.68 and 3,667.32 is: 5,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.21 : 9,178.68 = 3,667.32 : x
  2. Step 2: Convert to fraction form
    6,651.21/9,178.68 = 3,667.32/x
  3. Step 3: Cross multiply
    6,651.21x = 9,178.68 × 3,667.32
  4. Step 4: Simplify right side
    6,651.21x = 33,661,156.74
  5. Step 5: Solve for x
    x = 33,661,156.74/6,651.21
  6. Step 6: Final answer
    x = 5,060.91

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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.