Home / 11,790.87-17,686.05-3,470.68

Finding the Fourth Proportional to 11,790.87, 17,686.05 and 3,470.68

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Solution

The fourth proportional to 11,790.87, 17,686.05 and 3,470.68 is: 5,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.87 : 17,686.05 = 3,470.68 : x
  2. Step 2: Convert to fraction form
    11,790.87/17,686.05 = 3,470.68/x
  3. Step 3: Cross multiply
    11,790.87x = 17,686.05 × 3,470.68
  4. Step 4: Simplify right side
    11,790.87x = 61,382,620.01
  5. Step 5: Solve for x
    x = 61,382,620.01/11,790.87
  6. Step 6: Final answer
    x = 5,205.94

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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.