Home / 9,231.84-13,845.78-2,656.80

Finding the Fourth Proportional to 9,231.84, 13,845.78 and 2,656.80

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Solution

The fourth proportional to 9,231.84, 13,845.78 and 2,656.80 is: 3,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.84 : 13,845.78 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    9,231.84/13,845.78 = 2,656.80/x
  3. Step 3: Cross multiply
    9,231.84x = 13,845.78 × 2,656.80
  4. Step 4: Simplify right side
    9,231.84x = 36,785,468.30
  5. Step 5: Solve for x
    x = 36,785,468.30/9,231.84
  6. Step 6: Final answer
    x = 3,984.63

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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.