Home / 8,326.25-11,485.37-5,183.45

Finding the Fourth Proportional to 8,326.25, 11,485.37 and 5,183.45

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Solution

The fourth proportional to 8,326.25, 11,485.37 and 5,183.45 is: 7,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.25 : 11,485.37 = 5,183.45 : x
  2. Step 2: Convert to fraction form
    8,326.25/11,485.37 = 5,183.45/x
  3. Step 3: Cross multiply
    8,326.25x = 11,485.37 × 5,183.45
  4. Step 4: Simplify right side
    8,326.25x = 59,533,815.21
  5. Step 5: Solve for x
    x = 59,533,815.21/8,326.25
  6. Step 6: Final answer
    x = 7,150.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.