Home / 7,619.96-11,430.84-3,234.98

Finding the Fourth Proportional to 7,619.96, 11,430.84 and 3,234.98

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Solution

The fourth proportional to 7,619.96, 11,430.84 and 3,234.98 is: 4,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.96 : 11,430.84 = 3,234.98 : x
  2. Step 2: Convert to fraction form
    7,619.96/11,430.84 = 3,234.98/x
  3. Step 3: Cross multiply
    7,619.96x = 11,430.84 × 3,234.98
  4. Step 4: Simplify right side
    7,619.96x = 36,978,538.78
  5. Step 5: Solve for x
    x = 36,978,538.78/7,619.96
  6. Step 6: Final answer
    x = 4,852.85

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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.