Home / 6,603.22-9,112.73-3,950.12

Finding the Fourth Proportional to 6,603.22, 9,112.73 and 3,950.12

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Solution

The fourth proportional to 6,603.22, 9,112.73 and 3,950.12 is: 5,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.22 : 9,112.73 = 3,950.12 : x
  2. Step 2: Convert to fraction form
    6,603.22/9,112.73 = 3,950.12/x
  3. Step 3: Cross multiply
    6,603.22x = 9,112.73 × 3,950.12
  4. Step 4: Simplify right side
    6,603.22x = 35,996,339.91
  5. Step 5: Solve for x
    x = 35,996,339.91/6,603.22
  6. Step 6: Final answer
    x = 5,451.33

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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.