Home / 6,618.42-9,133.43-3,634.45

Finding the Fourth Proportional to 6,618.42, 9,133.43 and 3,634.45

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Solution

The fourth proportional to 6,618.42, 9,133.43 and 3,634.45 is: 5,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.42 : 9,133.43 = 3,634.45 : x
  2. Step 2: Convert to fraction form
    6,618.42/9,133.43 = 3,634.45/x
  3. Step 3: Cross multiply
    6,618.42x = 9,133.43 × 3,634.45
  4. Step 4: Simplify right side
    6,618.42x = 33,194,949.00
  5. Step 5: Solve for x
    x = 33,194,949.00/6,618.42
  6. Step 6: Final answer
    x = 5,015.54

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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.