Home / 6,923.36-10,388.64-4,155.60

Finding the Fourth Proportional to 6,923.36, 10,388.64 and 4,155.60

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Solution

The fourth proportional to 6,923.36, 10,388.64 and 4,155.60 is: 6,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.36 : 10,388.64 = 4,155.60 : x
  2. Step 2: Convert to fraction form
    6,923.36/10,388.64 = 4,155.60/x
  3. Step 3: Cross multiply
    6,923.36x = 10,388.64 × 4,155.60
  4. Step 4: Simplify right side
    6,923.36x = 43,171,032.38
  5. Step 5: Solve for x
    x = 43,171,032.38/6,923.36
  6. Step 6: Final answer
    x = 6,235.56

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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.