Home / 8,270.68-11,413.56-4,544.68

Finding the Fourth Proportional to 8,270.68, 11,413.56 and 4,544.68

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Solution

The fourth proportional to 8,270.68, 11,413.56 and 4,544.68 is: 6,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.68 : 11,413.56 = 4,544.68 : x
  2. Step 2: Convert to fraction form
    8,270.68/11,413.56 = 4,544.68/x
  3. Step 3: Cross multiply
    8,270.68x = 11,413.56 × 4,544.68
  4. Step 4: Simplify right side
    8,270.68x = 51,870,977.86
  5. Step 5: Solve for x
    x = 51,870,977.86/8,270.68
  6. Step 6: Final answer
    x = 6,271.67

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Half scale
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Double scale
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Similar ratio
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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.