Home / 7,934.13-11,901.06-2,739.87

Finding the Fourth Proportional to 7,934.13, 11,901.06 and 2,739.87

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Solution

The fourth proportional to 7,934.13, 11,901.06 and 2,739.87 is: 4,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.13 : 11,901.06 = 2,739.87 : x
  2. Step 2: Convert to fraction form
    7,934.13/11,901.06 = 2,739.87/x
  3. Step 3: Cross multiply
    7,934.13x = 11,901.06 × 2,739.87
  4. Step 4: Simplify right side
    7,934.13x = 32,607,357.26
  5. Step 5: Solve for x
    x = 32,607,357.26/7,934.13
  6. Step 6: Final answer
    x = 4,109.76

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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.