Home / 9,981.54-14,972.20-3,825.54

Finding the Fourth Proportional to 9,981.54, 14,972.20 and 3,825.54

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Solution

The fourth proportional to 9,981.54, 14,972.20 and 3,825.54 is: 5,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.54 : 14,972.20 = 3,825.54 : x
  2. Step 2: Convert to fraction form
    9,981.54/14,972.20 = 3,825.54/x
  3. Step 3: Cross multiply
    9,981.54x = 14,972.20 × 3,825.54
  4. Step 4: Simplify right side
    9,981.54x = 57,276,749.99
  5. Step 5: Solve for x
    x = 57,276,749.99/9,981.54
  6. Step 6: Final answer
    x = 5,738.27

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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.