Home / 7,674.36-11,515.04-3,723.49

Finding the Fourth Proportional to 7,674.36, 11,515.04 and 3,723.49

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Solution

The fourth proportional to 7,674.36, 11,515.04 and 3,723.49 is: 5,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.36 : 11,515.04 = 3,723.49 : x
  2. Step 2: Convert to fraction form
    7,674.36/11,515.04 = 3,723.49/x
  3. Step 3: Cross multiply
    7,674.36x = 11,515.04 × 3,723.49
  4. Step 4: Simplify right side
    7,674.36x = 42,876,098.19
  5. Step 5: Solve for x
    x = 42,876,098.19/7,674.36
  6. Step 6: Final answer
    x = 5,586.93

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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.