Home / 9,371.10-14,054.40-5,413.80

Finding the Fourth Proportional to 9,371.10, 14,054.40 and 5,413.80

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Solution

The fourth proportional to 9,371.10, 14,054.40 and 5,413.80 is: 8,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.10 : 14,054.40 = 5,413.80 : x
  2. Step 2: Convert to fraction form
    9,371.10/14,054.40 = 5,413.80/x
  3. Step 3: Cross multiply
    9,371.10x = 14,054.40 × 5,413.80
  4. Step 4: Simplify right side
    9,371.10x = 76,087,710.72
  5. Step 5: Solve for x
    x = 76,087,710.72/9,371.10
  6. Step 6: Final answer
    x = 8,119.40

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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.