Home / 7,413.07-10,228.53-4,427.82

Finding the Fourth Proportional to 7,413.07, 10,228.53 and 4,427.82

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Solution

The fourth proportional to 7,413.07, 10,228.53 and 4,427.82 is: 6,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.07 : 10,228.53 = 4,427.82 : x
  2. Step 2: Convert to fraction form
    7,413.07/10,228.53 = 4,427.82/x
  3. Step 3: Cross multiply
    7,413.07x = 10,228.53 × 4,427.82
  4. Step 4: Simplify right side
    7,413.07x = 45,290,089.70
  5. Step 5: Solve for x
    x = 45,290,089.70/7,413.07
  6. Step 6: Final answer
    x = 6,109.49

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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.