Home / 7,450.12-11,177.27-2,185.25

Finding the Fourth Proportional to 7,450.12, 11,177.27 and 2,185.25

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Solution

The fourth proportional to 7,450.12, 11,177.27 and 2,185.25 is: 3,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.12 : 11,177.27 = 2,185.25 : x
  2. Step 2: Convert to fraction form
    7,450.12/11,177.27 = 2,185.25/x
  3. Step 3: Cross multiply
    7,450.12x = 11,177.27 × 2,185.25
  4. Step 4: Simplify right side
    7,450.12x = 24,425,118.34
  5. Step 5: Solve for x
    x = 24,425,118.34/7,450.12
  6. Step 6: Final answer
    x = 3,278.49

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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.