Home / 11,203.50-16,808.49-3,412.11

Finding the Fourth Proportional to 11,203.50, 16,808.49 and 3,412.11

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Solution

The fourth proportional to 11,203.50, 16,808.49 and 3,412.11 is: 5,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.50 : 16,808.49 = 3,412.11 : x
  2. Step 2: Convert to fraction form
    11,203.50/16,808.49 = 3,412.11/x
  3. Step 3: Cross multiply
    11,203.50x = 16,808.49 × 3,412.11
  4. Step 4: Simplify right side
    11,203.50x = 57,352,416.81
  5. Step 5: Solve for x
    x = 57,352,416.81/11,203.50
  6. Step 6: Final answer
    x = 5,119.15

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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.