Home / 8,771.44-12,108.84-5,632.96

Finding the Fourth Proportional to 8,771.44, 12,108.84 and 5,632.96

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Solution

The fourth proportional to 8,771.44, 12,108.84 and 5,632.96 is: 7,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.44 : 12,108.84 = 5,632.96 : x
  2. Step 2: Convert to fraction form
    8,771.44/12,108.84 = 5,632.96/x
  3. Step 3: Cross multiply
    8,771.44x = 12,108.84 × 5,632.96
  4. Step 4: Simplify right side
    8,771.44x = 68,208,611.37
  5. Step 5: Solve for x
    x = 68,208,611.37/8,771.44
  6. Step 6: Final answer
    x = 7,776.22

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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.