Home / 11,114.25-16,666.50-3,321.24

Finding the Fourth Proportional to 11,114.25, 16,666.50 and 3,321.24

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Solution

The fourth proportional to 11,114.25, 16,666.50 and 3,321.24 is: 4,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.25 : 16,666.50 = 3,321.24 : x
  2. Step 2: Convert to fraction form
    11,114.25/16,666.50 = 3,321.24/x
  3. Step 3: Cross multiply
    11,114.25x = 16,666.50 × 3,321.24
  4. Step 4: Simplify right side
    11,114.25x = 55,353,396.42
  5. Step 5: Solve for x
    x = 55,353,396.42/11,114.25
  6. Step 6: Final answer
    x = 4,980.40

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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.