Home / 27,331.16-40,990.26-7,610.36

Finding the Fourth Proportional to 27,331.16, 40,990.26 and 7,610.36

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Solution

The fourth proportional to 27,331.16, 40,990.26 and 7,610.36 is: 11,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.16 : 40,990.26 = 7,610.36 : x
  2. Step 2: Convert to fraction form
    27,331.16/40,990.26 = 7,610.36/x
  3. Step 3: Cross multiply
    27,331.16x = 40,990.26 × 7,610.36
  4. Step 4: Simplify right side
    27,331.16x = 311,950,635.09
  5. Step 5: Solve for x
    x = 311,950,635.09/27,331.16
  6. Step 6: Final answer
    x = 11,413.74

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1.5x scale

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.