Home / 7,410.30-11,108.36-3,708.80

Finding the Fourth Proportional to 7,410.30, 11,108.36 and 3,708.80

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Solution

The fourth proportional to 7,410.30, 11,108.36 and 3,708.80 is: 5,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.30 : 11,108.36 = 3,708.80 : x
  2. Step 2: Convert to fraction form
    7,410.30/11,108.36 = 3,708.80/x
  3. Step 3: Cross multiply
    7,410.30x = 11,108.36 × 3,708.80
  4. Step 4: Simplify right side
    7,410.30x = 41,198,722.61
  5. Step 5: Solve for x
    x = 41,198,722.61/7,410.30
  6. Step 6: Final answer
    x = 5,559.66

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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.