Home / 13,079.10-18,046.26-7,413.36

Finding the Fourth Proportional to 13,079.10, 18,046.26 and 7,413.36

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Solution

The fourth proportional to 13,079.10, 18,046.26 and 7,413.36 is: 10,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.10 : 18,046.26 = 7,413.36 : x
  2. Step 2: Convert to fraction form
    13,079.10/18,046.26 = 7,413.36/x
  3. Step 3: Cross multiply
    13,079.10x = 18,046.26 × 7,413.36
  4. Step 4: Simplify right side
    13,079.10x = 133,783,422.03
  5. Step 5: Solve for x
    x = 133,783,422.03/13,079.10
  6. Step 6: Final answer
    x = 10,228.79

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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.