Home / 7,115.06-10,621.24-6,795.54

Finding the Fourth Proportional to 7,115.06, 10,621.24 and 6,795.54

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Solution

The fourth proportional to 7,115.06, 10,621.24 and 6,795.54 is: 10,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.06 : 10,621.24 = 6,795.54 : x
  2. Step 2: Convert to fraction form
    7,115.06/10,621.24 = 6,795.54/x
  3. Step 3: Cross multiply
    7,115.06x = 10,621.24 × 6,795.54
  4. Step 4: Simplify right side
    7,115.06x = 72,177,061.27
  5. Step 5: Solve for x
    x = 72,177,061.27/7,115.06
  6. Step 6: Final answer
    x = 10,144.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.