Home / 10,975.60-16,467.10-3,480.38

Finding the Fourth Proportional to 10,975.60, 16,467.10 and 3,480.38

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Solution

The fourth proportional to 10,975.60, 16,467.10 and 3,480.38 is: 5,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.60 : 16,467.10 = 3,480.38 : x
  2. Step 2: Convert to fraction form
    10,975.60/16,467.10 = 3,480.38/x
  3. Step 3: Cross multiply
    10,975.60x = 16,467.10 × 3,480.38
  4. Step 4: Simplify right side
    10,975.60x = 57,311,828.84
  5. Step 5: Solve for x
    x = 57,311,828.84/10,975.60
  6. Step 6: Final answer
    x = 5,221.75

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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.