Home / 11,607.40-17,409.66-3,816.28

Finding the Fourth Proportional to 11,607.40, 17,409.66 and 3,816.28

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Solution

The fourth proportional to 11,607.40, 17,409.66 and 3,816.28 is: 5,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.40 : 17,409.66 = 3,816.28 : x
  2. Step 2: Convert to fraction form
    11,607.40/17,409.66 = 3,816.28/x
  3. Step 3: Cross multiply
    11,607.40x = 17,409.66 × 3,816.28
  4. Step 4: Simplify right side
    11,607.40x = 66,440,137.26
  5. Step 5: Solve for x
    x = 66,440,137.26/11,607.40
  6. Step 6: Final answer
    x = 5,723.95

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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.