Home / 11,866.14-17,828.40-8,935.56

Finding the Fourth Proportional to 11,866.14, 17,828.40 and 8,935.56

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Solution

The fourth proportional to 11,866.14, 17,828.40 and 8,935.56 is: 13,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.14 : 17,828.40 = 8,935.56 : x
  2. Step 2: Convert to fraction form
    11,866.14/17,828.40 = 8,935.56/x
  3. Step 3: Cross multiply
    11,866.14x = 17,828.40 × 8,935.56
  4. Step 4: Simplify right side
    11,866.14x = 159,306,737.90
  5. Step 5: Solve for x
    x = 159,306,737.90/11,866.14
  6. Step 6: Final answer
    x = 13,425.32

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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.