Home / 7,753.75-11,620.20-4,238.48

Finding the Fourth Proportional to 7,753.75, 11,620.20 and 4,238.48

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Solution

The fourth proportional to 7,753.75, 11,620.20 and 4,238.48 is: 6,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.75 : 11,620.20 = 4,238.48 : x
  2. Step 2: Convert to fraction form
    7,753.75/11,620.20 = 4,238.48/x
  3. Step 3: Cross multiply
    7,753.75x = 11,620.20 × 4,238.48
  4. Step 4: Simplify right side
    7,753.75x = 49,252,030.24
  5. Step 5: Solve for x
    x = 49,252,030.24/7,753.75
  6. Step 6: Final answer
    x = 6,352.03

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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.