Home / 7,413.44-11,120.14-2,973.12

Finding the Fourth Proportional to 7,413.44, 11,120.14 and 2,973.12

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Solution

The fourth proportional to 7,413.44, 11,120.14 and 2,973.12 is: 4,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.44 : 11,120.14 = 2,973.12 : x
  2. Step 2: Convert to fraction form
    7,413.44/11,120.14 = 2,973.12/x
  3. Step 3: Cross multiply
    7,413.44x = 11,120.14 × 2,973.12
  4. Step 4: Simplify right side
    7,413.44x = 33,061,510.64
  5. Step 5: Solve for x
    x = 33,061,510.64/7,413.44
  6. Step 6: Final answer
    x = 4,459.67

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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.