Home / 12,286.13-18,413.26-7,013.03

Finding the Fourth Proportional to 12,286.13, 18,413.26 and 7,013.03

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Solution

The fourth proportional to 12,286.13, 18,413.26 and 7,013.03 is: 10,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.13 : 18,413.26 = 7,013.03 : x
  2. Step 2: Convert to fraction form
    12,286.13/18,413.26 = 7,013.03/x
  3. Step 3: Cross multiply
    12,286.13x = 18,413.26 × 7,013.03
  4. Step 4: Simplify right side
    12,286.13x = 129,132,635.18
  5. Step 5: Solve for x
    x = 129,132,635.18/12,286.13
  6. Step 6: Final answer
    x = 10,510.44

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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.