Home / 7,805.09-11,696.40-3,361.53

Finding the Fourth Proportional to 7,805.09, 11,696.40 and 3,361.53

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Solution

The fourth proportional to 7,805.09, 11,696.40 and 3,361.53 is: 5,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.09 : 11,696.40 = 3,361.53 : x
  2. Step 2: Convert to fraction form
    7,805.09/11,696.40 = 3,361.53/x
  3. Step 3: Cross multiply
    7,805.09x = 11,696.40 × 3,361.53
  4. Step 4: Simplify right side
    7,805.09x = 39,317,799.49
  5. Step 5: Solve for x
    x = 39,317,799.49/7,805.09
  6. Step 6: Final answer
    x = 5,037.46

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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.