Home / 11,133.80-16,701.48-3,343.20

Finding the Fourth Proportional to 11,133.80, 16,701.48 and 3,343.20

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Solution

The fourth proportional to 11,133.80, 16,701.48 and 3,343.20 is: 5,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.80 : 16,701.48 = 3,343.20 : x
  2. Step 2: Convert to fraction form
    11,133.80/16,701.48 = 3,343.20/x
  3. Step 3: Cross multiply
    11,133.80x = 16,701.48 × 3,343.20
  4. Step 4: Simplify right side
    11,133.80x = 55,836,387.94
  5. Step 5: Solve for x
    x = 55,836,387.94/11,133.80
  6. Step 6: Final answer
    x = 5,015.03

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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.