Home / 7,383.19-11,076.63-2,189.08

Finding the Fourth Proportional to 7,383.19, 11,076.63 and 2,189.08

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Solution

The fourth proportional to 7,383.19, 11,076.63 and 2,189.08 is: 3,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.19 : 11,076.63 = 2,189.08 : x
  2. Step 2: Convert to fraction form
    7,383.19/11,076.63 = 2,189.08/x
  3. Step 3: Cross multiply
    7,383.19x = 11,076.63 × 2,189.08
  4. Step 4: Simplify right side
    7,383.19x = 24,247,629.20
  5. Step 5: Solve for x
    x = 24,247,629.20/7,383.19
  6. Step 6: Final answer
    x = 3,284.17

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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.