Home / 12,716.94-19,087.14-6,481.41

Finding the Fourth Proportional to 12,716.94, 19,087.14 and 6,481.41

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Solution

The fourth proportional to 12,716.94, 19,087.14 and 6,481.41 is: 9,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.94 : 19,087.14 = 6,481.41 : x
  2. Step 2: Convert to fraction form
    12,716.94/19,087.14 = 6,481.41/x
  3. Step 3: Cross multiply
    12,716.94x = 19,087.14 × 6,481.41
  4. Step 4: Simplify right side
    12,716.94x = 123,711,580.07
  5. Step 5: Solve for x
    x = 123,711,580.07/12,716.94
  6. Step 6: Final answer
    x = 9,728.09

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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.