Home / 11,243.18-16,864.79-2,922.50

Finding the Fourth Proportional to 11,243.18, 16,864.79 and 2,922.50

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Solution

The fourth proportional to 11,243.18, 16,864.79 and 2,922.50 is: 4,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.18 : 16,864.79 = 2,922.50 : x
  2. Step 2: Convert to fraction form
    11,243.18/16,864.79 = 2,922.50/x
  3. Step 3: Cross multiply
    11,243.18x = 16,864.79 × 2,922.50
  4. Step 4: Simplify right side
    11,243.18x = 49,287,376.32
  5. Step 5: Solve for x
    x = 49,287,376.32/11,243.18
  6. Step 6: Final answer
    x = 4,383.76

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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.