Home / 11,234.15-16,851.28-2,913.58

Finding the Fourth Proportional to 11,234.15, 16,851.28 and 2,913.58

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Solution

The fourth proportional to 11,234.15, 16,851.28 and 2,913.58 is: 4,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.15 : 16,851.28 = 2,913.58 : x
  2. Step 2: Convert to fraction form
    11,234.15/16,851.28 = 2,913.58/x
  3. Step 3: Cross multiply
    11,234.15x = 16,851.28 × 2,913.58
  4. Step 4: Simplify right side
    11,234.15x = 49,097,502.97
  5. Step 5: Solve for x
    x = 49,097,502.97/11,234.15
  6. Step 6: Final answer
    x = 4,370.38

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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.