Home / 11,222.17-16,820.49-6,829.94

Finding the Fourth Proportional to 11,222.17, 16,820.49 and 6,829.94

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Solution

The fourth proportional to 11,222.17, 16,820.49 and 6,829.94 is: 10,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.17 : 16,820.49 = 6,829.94 : x
  2. Step 2: Convert to fraction form
    11,222.17/16,820.49 = 6,829.94/x
  3. Step 3: Cross multiply
    11,222.17x = 16,820.49 × 6,829.94
  4. Step 4: Simplify right side
    11,222.17x = 114,882,937.47
  5. Step 5: Solve for x
    x = 114,882,937.47/11,222.17
  6. Step 6: Final answer
    x = 10,237.14

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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.