Home / 7,401.75-11,108.09-3,506.16

Finding the Fourth Proportional to 7,401.75, 11,108.09 and 3,506.16

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Solution

The fourth proportional to 7,401.75, 11,108.09 and 3,506.16 is: 5,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.75 : 11,108.09 = 3,506.16 : x
  2. Step 2: Convert to fraction form
    7,401.75/11,108.09 = 3,506.16/x
  3. Step 3: Cross multiply
    7,401.75x = 11,108.09 × 3,506.16
  4. Step 4: Simplify right side
    7,401.75x = 38,946,723.30
  5. Step 5: Solve for x
    x = 38,946,723.30/7,401.75
  6. Step 6: Final answer
    x = 5,261.83

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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.