Home / 11,213.02-16,815.60-3,313.42

Finding the Fourth Proportional to 11,213.02, 16,815.60 and 3,313.42

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Solution

The fourth proportional to 11,213.02, 16,815.60 and 3,313.42 is: 4,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.02 : 16,815.60 = 3,313.42 : x
  2. Step 2: Convert to fraction form
    11,213.02/16,815.60 = 3,313.42/x
  3. Step 3: Cross multiply
    11,213.02x = 16,815.60 × 3,313.42
  4. Step 4: Simplify right side
    11,213.02x = 55,717,145.35
  5. Step 5: Solve for x
    x = 55,717,145.35/11,213.02
  6. Step 6: Final answer
    x = 4,968.97

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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.