Home / 9,400.22-12,972.30-5,623.54

Finding the Fourth Proportional to 9,400.22, 12,972.30 and 5,623.54

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Solution

The fourth proportional to 9,400.22, 12,972.30 and 5,623.54 is: 7,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.22 : 12,972.30 = 5,623.54 : x
  2. Step 2: Convert to fraction form
    9,400.22/12,972.30 = 5,623.54/x
  3. Step 3: Cross multiply
    9,400.22x = 12,972.30 × 5,623.54
  4. Step 4: Simplify right side
    9,400.22x = 72,950,299.02
  5. Step 5: Solve for x
    x = 72,950,299.02/9,400.22
  6. Step 6: Final answer
    x = 7,760.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.