Home / 11,253.26-16,844.47-7,722.61

Finding the Fourth Proportional to 11,253.26, 16,844.47 and 7,722.61

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Solution

The fourth proportional to 11,253.26, 16,844.47 and 7,722.61 is: 11,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.26 : 16,844.47 = 7,722.61 : x
  2. Step 2: Convert to fraction form
    11,253.26/16,844.47 = 7,722.61/x
  3. Step 3: Cross multiply
    11,253.26x = 16,844.47 × 7,722.61
  4. Step 4: Simplify right side
    11,253.26x = 130,083,211.05
  5. Step 5: Solve for x
    x = 130,083,211.05/11,253.26
  6. Step 6: Final answer
    x = 11,559.60

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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.