Home / 7,413.45-10,231.47-4,429.26

Finding the Fourth Proportional to 7,413.45, 10,231.47 and 4,429.26

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Solution

The fourth proportional to 7,413.45, 10,231.47 and 4,429.26 is: 6,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.45 : 10,231.47 = 4,429.26 : x
  2. Step 2: Convert to fraction form
    7,413.45/10,231.47 = 4,429.26/x
  3. Step 3: Cross multiply
    7,413.45x = 10,231.47 × 4,429.26
  4. Step 4: Simplify right side
    7,413.45x = 45,317,840.81
  5. Step 5: Solve for x
    x = 45,317,840.81/7,413.45
  6. Step 6: Final answer
    x = 6,112.92

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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.