Home / 11,413.06-15,749.93-6,377.22

Finding the Fourth Proportional to 11,413.06, 15,749.93 and 6,377.22

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Solution

The fourth proportional to 11,413.06, 15,749.93 and 6,377.22 is: 8,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.06 : 15,749.93 = 6,377.22 : x
  2. Step 2: Convert to fraction form
    11,413.06/15,749.93 = 6,377.22/x
  3. Step 3: Cross multiply
    11,413.06x = 15,749.93 × 6,377.22
  4. Step 4: Simplify right side
    11,413.06x = 100,440,784.54
  5. Step 5: Solve for x
    x = 100,440,784.54/11,413.06
  6. Step 6: Final answer
    x = 8,800.52

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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.