Home / 10,656.38-15,986.52-4,413.03

Finding the Fourth Proportional to 10,656.38, 15,986.52 and 4,413.03

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Solution

The fourth proportional to 10,656.38, 15,986.52 and 4,413.03 is: 6,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.38 : 15,986.52 = 4,413.03 : x
  2. Step 2: Convert to fraction form
    10,656.38/15,986.52 = 4,413.03/x
  3. Step 3: Cross multiply
    10,656.38x = 15,986.52 × 4,413.03
  4. Step 4: Simplify right side
    10,656.38x = 70,548,992.36
  5. Step 5: Solve for x
    x = 70,548,992.36/10,656.38
  6. Step 6: Final answer
    x = 6,620.36

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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.