Home / 11,936.21-16,464.67-7,087.65

Finding the Fourth Proportional to 11,936.21, 16,464.67 and 7,087.65

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Solution

The fourth proportional to 11,936.21, 16,464.67 and 7,087.65 is: 9,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.21 : 16,464.67 = 7,087.65 : x
  2. Step 2: Convert to fraction form
    11,936.21/16,464.67 = 7,087.65/x
  3. Step 3: Cross multiply
    11,936.21x = 16,464.67 × 7,087.65
  4. Step 4: Simplify right side
    11,936.21x = 116,695,735.49
  5. Step 5: Solve for x
    x = 116,695,735.49/11,936.21
  6. Step 6: Final answer
    x = 9,776.62

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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.