Home / 6,603.14-9,112.32-3,950.55

Finding the Fourth Proportional to 6,603.14, 9,112.32 and 3,950.55

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Solution

The fourth proportional to 6,603.14, 9,112.32 and 3,950.55 is: 5,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.14 : 9,112.32 = 3,950.55 : x
  2. Step 2: Convert to fraction form
    6,603.14/9,112.32 = 3,950.55/x
  3. Step 3: Cross multiply
    6,603.14x = 9,112.32 × 3,950.55
  4. Step 4: Simplify right side
    6,603.14x = 35,998,675.78
  5. Step 5: Solve for x
    x = 35,998,675.78/6,603.14
  6. Step 6: Final answer
    x = 5,451.75

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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.