Home / 10,716.96-16,064.25-4,480.56

Finding the Fourth Proportional to 10,716.96, 16,064.25 and 4,480.56

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Solution

The fourth proportional to 10,716.96, 16,064.25 and 4,480.56 is: 6,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.96 : 16,064.25 = 4,480.56 : x
  2. Step 2: Convert to fraction form
    10,716.96/16,064.25 = 4,480.56/x
  3. Step 3: Cross multiply
    10,716.96x = 16,064.25 × 4,480.56
  4. Step 4: Simplify right side
    10,716.96x = 71,976,835.98
  5. Step 5: Solve for x
    x = 71,976,835.98/10,716.96
  6. Step 6: Final answer
    x = 6,716.16

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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.