Home / 11,605.84-17,406.96-3,814.60

Finding the Fourth Proportional to 11,605.84, 17,406.96 and 3,814.60

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Solution

The fourth proportional to 11,605.84, 17,406.96 and 3,814.60 is: 5,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.84 : 17,406.96 = 3,814.60 : x
  2. Step 2: Convert to fraction form
    11,605.84/17,406.96 = 3,814.60/x
  3. Step 3: Cross multiply
    11,605.84x = 17,406.96 × 3,814.60
  4. Step 4: Simplify right side
    11,605.84x = 66,400,589.62
  5. Step 5: Solve for x
    x = 66,400,589.62/11,605.84
  6. Step 6: Final answer
    x = 5,721.31

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1.5x scale

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.