Home / 7,782.28-11,674.96-2,235.66

Finding the Fourth Proportional to 7,782.28, 11,674.96 and 2,235.66

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Solution

The fourth proportional to 7,782.28, 11,674.96 and 2,235.66 is: 3,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.28 : 11,674.96 = 2,235.66 : x
  2. Step 2: Convert to fraction form
    7,782.28/11,674.96 = 2,235.66/x
  3. Step 3: Cross multiply
    7,782.28x = 11,674.96 × 2,235.66
  4. Step 4: Simplify right side
    7,782.28x = 26,101,241.07
  5. Step 5: Solve for x
    x = 26,101,241.07/7,782.28
  6. Step 6: Final answer
    x = 3,353.93

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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.