Home / 7,486.37-11,223.46-2,803.75

Finding the Fourth Proportional to 7,486.37, 11,223.46 and 2,803.75

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Solution

The fourth proportional to 7,486.37, 11,223.46 and 2,803.75 is: 4,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.37 : 11,223.46 = 2,803.75 : x
  2. Step 2: Convert to fraction form
    7,486.37/11,223.46 = 2,803.75/x
  3. Step 3: Cross multiply
    7,486.37x = 11,223.46 × 2,803.75
  4. Step 4: Simplify right side
    7,486.37x = 31,467,775.98
  5. Step 5: Solve for x
    x = 31,467,775.98/7,486.37
  6. Step 6: Final answer
    x = 4,203.34

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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.