Home / 11,204.26-15,445.50-7,836.61

Finding the Fourth Proportional to 11,204.26, 15,445.50 and 7,836.61

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Solution

The fourth proportional to 11,204.26, 15,445.50 and 7,836.61 is: 10,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.26 : 15,445.50 = 7,836.61 : x
  2. Step 2: Convert to fraction form
    11,204.26/15,445.50 = 7,836.61/x
  3. Step 3: Cross multiply
    11,204.26x = 15,445.50 × 7,836.61
  4. Step 4: Simplify right side
    11,204.26x = 121,040,359.76
  5. Step 5: Solve for x
    x = 121,040,359.76/11,204.26
  6. Step 6: Final answer
    x = 10,803.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.