Home / 11,583.15-15,976.30-7,334.90

Finding the Fourth Proportional to 11,583.15, 15,976.30 and 7,334.90

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Solution

The fourth proportional to 11,583.15, 15,976.30 and 7,334.90 is: 10,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.15 : 15,976.30 = 7,334.90 : x
  2. Step 2: Convert to fraction form
    11,583.15/15,976.30 = 7,334.90/x
  3. Step 3: Cross multiply
    11,583.15x = 15,976.30 × 7,334.90
  4. Step 4: Simplify right side
    11,583.15x = 117,184,562.87
  5. Step 5: Solve for x
    x = 117,184,562.87/11,583.15
  6. Step 6: Final answer
    x = 10,116.81

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