Home / 7,409.46-11,118.62-2,665.23

Finding the Fourth Proportional to 7,409.46, 11,118.62 and 2,665.23

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Solution

The fourth proportional to 7,409.46, 11,118.62 and 2,665.23 is: 3,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.46 : 11,118.62 = 2,665.23 : x
  2. Step 2: Convert to fraction form
    7,409.46/11,118.62 = 2,665.23/x
  3. Step 3: Cross multiply
    7,409.46x = 11,118.62 × 2,665.23
  4. Step 4: Simplify right side
    7,409.46x = 29,633,679.58
  5. Step 5: Solve for x
    x = 29,633,679.58/7,409.46
  6. Step 6: Final answer
    x = 3,999.44

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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.