Home / 11,824.56-16,317.68-6,447.04

Finding the Fourth Proportional to 11,824.56, 16,317.68 and 6,447.04

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Solution

The fourth proportional to 11,824.56, 16,317.68 and 6,447.04 is: 8,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.56 : 16,317.68 = 6,447.04 : x
  2. Step 2: Convert to fraction form
    11,824.56/16,317.68 = 6,447.04/x
  3. Step 3: Cross multiply
    11,824.56x = 16,317.68 × 6,447.04
  4. Step 4: Simplify right side
    11,824.56x = 105,200,735.67
  5. Step 5: Solve for x
    x = 105,200,735.67/11,824.56
  6. Step 6: Final answer
    x = 8,896.80

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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.