Home / 7,713.96-11,571.98-2,518.12

Finding the Fourth Proportional to 7,713.96, 11,571.98 and 2,518.12

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Solution

The fourth proportional to 7,713.96, 11,571.98 and 2,518.12 is: 3,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.96 : 11,571.98 = 2,518.12 : x
  2. Step 2: Convert to fraction form
    7,713.96/11,571.98 = 2,518.12/x
  3. Step 3: Cross multiply
    7,713.96x = 11,571.98 × 2,518.12
  4. Step 4: Simplify right side
    7,713.96x = 29,139,634.28
  5. Step 5: Solve for x
    x = 29,139,634.28/7,713.96
  6. Step 6: Final answer
    x = 3,777.52

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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.