Home / 7,924.84-10,936.26-4,387.96

Finding the Fourth Proportional to 7,924.84, 10,936.26 and 4,387.96

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Solution

The fourth proportional to 7,924.84, 10,936.26 and 4,387.96 is: 6,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.84 : 10,936.26 = 4,387.96 : x
  2. Step 2: Convert to fraction form
    7,924.84/10,936.26 = 4,387.96/x
  3. Step 3: Cross multiply
    7,924.84x = 10,936.26 × 4,387.96
  4. Step 4: Simplify right side
    7,924.84x = 47,987,871.43
  5. Step 5: Solve for x
    x = 47,987,871.43/7,924.84
  6. Step 6: Final answer
    x = 6,055.37

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Why These Related Problems?

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