Home / 9,108.90-12,571.20-5,525.73

Finding the Fourth Proportional to 9,108.90, 12,571.20 and 5,525.73

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Solution

The fourth proportional to 9,108.90, 12,571.20 and 5,525.73 is: 7,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.90 : 12,571.20 = 5,525.73 : x
  2. Step 2: Convert to fraction form
    9,108.90/12,571.20 = 5,525.73/x
  3. Step 3: Cross multiply
    9,108.90x = 12,571.20 × 5,525.73
  4. Step 4: Simplify right side
    9,108.90x = 69,465,056.98
  5. Step 5: Solve for x
    x = 69,465,056.98/9,108.90
  6. Step 6: Final answer
    x = 7,626.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.