Home / 7,409.94-11,118.03-3,247.80

Finding the Fourth Proportional to 7,409.94, 11,118.03 and 3,247.80

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Solution

The fourth proportional to 7,409.94, 11,118.03 and 3,247.80 is: 4,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.94 : 11,118.03 = 3,247.80 : x
  2. Step 2: Convert to fraction form
    7,409.94/11,118.03 = 3,247.80/x
  3. Step 3: Cross multiply
    7,409.94x = 11,118.03 × 3,247.80
  4. Step 4: Simplify right side
    7,409.94x = 36,109,137.83
  5. Step 5: Solve for x
    x = 36,109,137.83/7,409.94
  6. Step 6: Final answer
    x = 4,873.07

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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.