Home / 10,716.94-16,064.40-4,480.60

Finding the Fourth Proportional to 10,716.94, 16,064.40 and 4,480.60

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Solution

The fourth proportional to 10,716.94, 16,064.40 and 4,480.60 is: 6,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.94 : 16,064.40 = 4,480.60 : x
  2. Step 2: Convert to fraction form
    10,716.94/16,064.40 = 4,480.60/x
  3. Step 3: Cross multiply
    10,716.94x = 16,064.40 × 4,480.60
  4. Step 4: Simplify right side
    10,716.94x = 71,978,150.64
  5. Step 5: Solve for x
    x = 71,978,150.64/10,716.94
  6. Step 6: Final answer
    x = 6,716.30

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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.