Home / 7,995.47-11,989.08-3,610.53

Finding the Fourth Proportional to 7,995.47, 11,989.08 and 3,610.53

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Solution

The fourth proportional to 7,995.47, 11,989.08 and 3,610.53 is: 5,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.47 : 11,989.08 = 3,610.53 : x
  2. Step 2: Convert to fraction form
    7,995.47/11,989.08 = 3,610.53/x
  3. Step 3: Cross multiply
    7,995.47x = 11,989.08 × 3,610.53
  4. Step 4: Simplify right side
    7,995.47x = 43,286,933.01
  5. Step 5: Solve for x
    x = 43,286,933.01/7,995.47
  6. Step 6: Final answer
    x = 5,413.94

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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.