Home / 30,133.06-45,202.59-11,162.77

Finding the Fourth Proportional to 30,133.06, 45,202.59 and 11,162.77

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Solution

The fourth proportional to 30,133.06, 45,202.59 and 11,162.77 is: 16,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.06 : 45,202.59 = 11,162.77 : x
  2. Step 2: Convert to fraction form
    30,133.06/45,202.59 = 11,162.77/x
  3. Step 3: Cross multiply
    30,133.06x = 45,202.59 × 11,162.77
  4. Step 4: Simplify right side
    30,133.06x = 504,586,367.49
  5. Step 5: Solve for x
    x = 504,586,367.49/30,133.06
  6. Step 6: Final answer
    x = 16,745.27

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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.