Home / 7,066.12-9,751.32-3,922.52

Finding the Fourth Proportional to 7,066.12, 9,751.32 and 3,922.52

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Solution

The fourth proportional to 7,066.12, 9,751.32 and 3,922.52 is: 5,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.12 : 9,751.32 = 3,922.52 : x
  2. Step 2: Convert to fraction form
    7,066.12/9,751.32 = 3,922.52/x
  3. Step 3: Cross multiply
    7,066.12x = 9,751.32 × 3,922.52
  4. Step 4: Simplify right side
    7,066.12x = 38,249,747.73
  5. Step 5: Solve for x
    x = 38,249,747.73/7,066.12
  6. Step 6: Final answer
    x = 5,413.12

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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.