Home / 7,991.07-11,028.26-4,635.03

Finding the Fourth Proportional to 7,991.07, 11,028.26 and 4,635.03

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Solution

The fourth proportional to 7,991.07, 11,028.26 and 4,635.03 is: 6,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.07 : 11,028.26 = 4,635.03 : x
  2. Step 2: Convert to fraction form
    7,991.07/11,028.26 = 4,635.03/x
  3. Step 3: Cross multiply
    7,991.07x = 11,028.26 × 4,635.03
  4. Step 4: Simplify right side
    7,991.07x = 51,116,237.63
  5. Step 5: Solve for x
    x = 51,116,237.63/7,991.07
  6. Step 6: Final answer
    x = 6,396.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.