Home / 9,076.20-13,601.32-5,172.56

Finding the Fourth Proportional to 9,076.20, 13,601.32 and 5,172.56

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Solution

The fourth proportional to 9,076.20, 13,601.32 and 5,172.56 is: 7,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.20 : 13,601.32 = 5,172.56 : x
  2. Step 2: Convert to fraction form
    9,076.20/13,601.32 = 5,172.56/x
  3. Step 3: Cross multiply
    9,076.20x = 13,601.32 × 5,172.56
  4. Step 4: Simplify right side
    9,076.20x = 70,353,643.78
  5. Step 5: Solve for x
    x = 70,353,643.78/9,076.20
  6. Step 6: Final answer
    x = 7,751.44

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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.