Home / 9,192.20-13,790.45-3,999.56

Finding the Fourth Proportional to 9,192.20, 13,790.45 and 3,999.56

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Solution

The fourth proportional to 9,192.20, 13,790.45 and 3,999.56 is: 6,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.20 : 13,790.45 = 3,999.56 : x
  2. Step 2: Convert to fraction form
    9,192.20/13,790.45 = 3,999.56/x
  3. Step 3: Cross multiply
    9,192.20x = 13,790.45 × 3,999.56
  4. Step 4: Simplify right side
    9,192.20x = 55,155,673.25
  5. Step 5: Solve for x
    x = 55,155,673.25/9,192.20
  6. Step 6: Final answer
    x = 6,000.27

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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.