Home / 11,204.30-16,802.40-5,655.80

Finding the Fourth Proportional to 11,204.30, 16,802.40 and 5,655.80

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Solution

The fourth proportional to 11,204.30, 16,802.40 and 5,655.80 is: 8,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.30 : 16,802.40 = 5,655.80 : x
  2. Step 2: Convert to fraction form
    11,204.30/16,802.40 = 5,655.80/x
  3. Step 3: Cross multiply
    11,204.30x = 16,802.40 × 5,655.80
  4. Step 4: Simplify right side
    11,204.30x = 95,031,013.92
  5. Step 5: Solve for x
    x = 95,031,013.92/11,204.30
  6. Step 6: Final answer
    x = 8,481.66

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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.