Home / 7,961.02-11,923.31-3,803.95

Finding the Fourth Proportional to 7,961.02, 11,923.31 and 3,803.95

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Solution

The fourth proportional to 7,961.02, 11,923.31 and 3,803.95 is: 5,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.02 : 11,923.31 = 3,803.95 : x
  2. Step 2: Convert to fraction form
    7,961.02/11,923.31 = 3,803.95/x
  3. Step 3: Cross multiply
    7,961.02x = 11,923.31 × 3,803.95
  4. Step 4: Simplify right side
    7,961.02x = 45,355,615.46
  5. Step 5: Solve for x
    x = 45,355,615.46/7,961.02
  6. Step 6: Final answer
    x = 5,697.22

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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.