Home / 11,253.45-16,878.69-2,934.03

Finding the Fourth Proportional to 11,253.45, 16,878.69 and 2,934.03

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Solution

The fourth proportional to 11,253.45, 16,878.69 and 2,934.03 is: 4,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.45 : 16,878.69 = 2,934.03 : x
  2. Step 2: Convert to fraction form
    11,253.45/16,878.69 = 2,934.03/x
  3. Step 3: Cross multiply
    11,253.45x = 16,878.69 × 2,934.03
  4. Step 4: Simplify right side
    11,253.45x = 49,522,582.82
  5. Step 5: Solve for x
    x = 49,522,582.82/11,253.45
  6. Step 6: Final answer
    x = 4,400.66

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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.