Home / 7,935.60-11,921.76-4,983.24

Finding the Fourth Proportional to 7,935.60, 11,921.76 and 4,983.24

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Solution

The fourth proportional to 7,935.60, 11,921.76 and 4,983.24 is: 7,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.60 : 11,921.76 = 4,983.24 : x
  2. Step 2: Convert to fraction form
    7,935.60/11,921.76 = 4,983.24/x
  3. Step 3: Cross multiply
    7,935.60x = 11,921.76 × 4,983.24
  4. Step 4: Simplify right side
    7,935.60x = 59,408,991.30
  5. Step 5: Solve for x
    x = 59,408,991.30/7,935.60
  6. Step 6: Final answer
    x = 7,486.39

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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.