Home / 7,411.64-11,118.98-2,481.32

Finding the Fourth Proportional to 7,411.64, 11,118.98 and 2,481.32

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Solution

The fourth proportional to 7,411.64, 11,118.98 and 2,481.32 is: 3,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.64 : 11,118.98 = 2,481.32 : x
  2. Step 2: Convert to fraction form
    7,411.64/11,118.98 = 2,481.32/x
  3. Step 3: Cross multiply
    7,411.64x = 11,118.98 × 2,481.32
  4. Step 4: Simplify right side
    7,411.64x = 27,589,747.45
  5. Step 5: Solve for x
    x = 27,589,747.45/7,411.64
  6. Step 6: Final answer
    x = 3,722.49

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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.