Home / 8,413.76-11,611.56-5,576.24

Finding the Fourth Proportional to 8,413.76, 11,611.56 and 5,576.24

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Solution

The fourth proportional to 8,413.76, 11,611.56 and 5,576.24 is: 7,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.76 : 11,611.56 = 5,576.24 : x
  2. Step 2: Convert to fraction form
    8,413.76/11,611.56 = 5,576.24/x
  3. Step 3: Cross multiply
    8,413.76x = 11,611.56 × 5,576.24
  4. Step 4: Simplify right side
    8,413.76x = 64,748,845.33
  5. Step 5: Solve for x
    x = 64,748,845.33/8,413.76
  6. Step 6: Final answer
    x = 7,695.59

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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.