Home / 7,901.39-11,848.11-2,634.56

Finding the Fourth Proportional to 7,901.39, 11,848.11 and 2,634.56

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Solution

The fourth proportional to 7,901.39, 11,848.11 and 2,634.56 is: 3,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.39 : 11,848.11 = 2,634.56 : x
  2. Step 2: Convert to fraction form
    7,901.39/11,848.11 = 2,634.56/x
  3. Step 3: Cross multiply
    7,901.39x = 11,848.11 × 2,634.56
  4. Step 4: Simplify right side
    7,901.39x = 31,214,497.44
  5. Step 5: Solve for x
    x = 31,214,497.44/7,901.39
  6. Step 6: Final answer
    x = 3,950.51

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1.5x scale

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.