Home / 7,401.45-11,104.40-2,207.32

Finding the Fourth Proportional to 7,401.45, 11,104.40 and 2,207.32

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Solution

The fourth proportional to 7,401.45, 11,104.40 and 2,207.32 is: 3,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.45 : 11,104.40 = 2,207.32 : x
  2. Step 2: Convert to fraction form
    7,401.45/11,104.40 = 2,207.32/x
  3. Step 3: Cross multiply
    7,401.45x = 11,104.40 × 2,207.32
  4. Step 4: Simplify right side
    7,401.45x = 24,510,964.21
  5. Step 5: Solve for x
    x = 24,510,964.21/7,401.45
  6. Step 6: Final answer
    x = 3,311.64

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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.