Home / 7,413.24-10,230.02-4,428.38

Finding the Fourth Proportional to 7,413.24, 10,230.02 and 4,428.38

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Solution

The fourth proportional to 7,413.24, 10,230.02 and 4,428.38 is: 6,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.24 : 10,230.02 = 4,428.38 : x
  2. Step 2: Convert to fraction form
    7,413.24/10,230.02 = 4,428.38/x
  3. Step 3: Cross multiply
    7,413.24x = 10,230.02 × 4,428.38
  4. Step 4: Simplify right side
    7,413.24x = 45,302,415.97
  5. Step 5: Solve for x
    x = 45,302,415.97/7,413.24
  6. Step 6: Final answer
    x = 6,111.01

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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.