Home / 12,476.33-18,716.55-6,236.56

Finding the Fourth Proportional to 12,476.33, 18,716.55 and 6,236.56

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Solution

The fourth proportional to 12,476.33, 18,716.55 and 6,236.56 is: 9,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.33 : 18,716.55 = 6,236.56 : x
  2. Step 2: Convert to fraction form
    12,476.33/18,716.55 = 6,236.56/x
  3. Step 3: Cross multiply
    12,476.33x = 18,716.55 × 6,236.56
  4. Step 4: Simplify right side
    12,476.33x = 116,726,887.07
  5. Step 5: Solve for x
    x = 116,726,887.07/12,476.33
  6. Step 6: Final answer
    x = 9,355.87

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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.