Home / 7,901.37-11,764.30-7,791.02

Finding the Fourth Proportional to 7,901.37, 11,764.30 and 7,791.02

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Solution

The fourth proportional to 7,901.37, 11,764.30 and 7,791.02 is: 11,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.37 : 11,764.30 = 7,791.02 : x
  2. Step 2: Convert to fraction form
    7,901.37/11,764.30 = 7,791.02/x
  3. Step 3: Cross multiply
    7,901.37x = 11,764.30 × 7,791.02
  4. Step 4: Simplify right side
    7,901.37x = 91,655,906.52
  5. Step 5: Solve for x
    x = 91,655,906.52/7,901.37
  6. Step 6: Final answer
    x = 11,600.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.