Home / 7,401.26-11,089.10-5,199.68

Finding the Fourth Proportional to 7,401.26, 11,089.10 and 5,199.68

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Solution

The fourth proportional to 7,401.26, 11,089.10 and 5,199.68 is: 7,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.26 : 11,089.10 = 5,199.68 : x
  2. Step 2: Convert to fraction form
    7,401.26/11,089.10 = 5,199.68/x
  3. Step 3: Cross multiply
    7,401.26x = 11,089.10 × 5,199.68
  4. Step 4: Simplify right side
    7,401.26x = 57,659,771.49
  5. Step 5: Solve for x
    x = 57,659,771.49/7,401.26
  6. Step 6: Final answer
    x = 7,790.53

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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.