Home / 9,022.37-13,583.69-7,816.78

Finding the Fourth Proportional to 9,022.37, 13,583.69 and 7,816.78

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Solution

The fourth proportional to 9,022.37, 13,583.69 and 7,816.78 is: 11,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.37 : 13,583.69 = 7,816.78 : x
  2. Step 2: Convert to fraction form
    9,022.37/13,583.69 = 7,816.78/x
  3. Step 3: Cross multiply
    9,022.37x = 13,583.69 × 7,816.78
  4. Step 4: Simplify right side
    9,022.37x = 106,180,723.53
  5. Step 5: Solve for x
    x = 106,180,723.53/9,022.37
  6. Step 6: Final answer
    x = 11,768.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.