Home / 7,722.98-11,559.20-4,204.20

Finding the Fourth Proportional to 7,722.98, 11,559.20 and 4,204.20

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Solution

The fourth proportional to 7,722.98, 11,559.20 and 4,204.20 is: 6,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.98 : 11,559.20 = 4,204.20 : x
  2. Step 2: Convert to fraction form
    7,722.98/11,559.20 = 4,204.20/x
  3. Step 3: Cross multiply
    7,722.98x = 11,559.20 × 4,204.20
  4. Step 4: Simplify right side
    7,722.98x = 48,597,188.64
  5. Step 5: Solve for x
    x = 48,597,188.64/7,722.98
  6. Step 6: Final answer
    x = 6,292.54

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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.