Home / 12,413.40-18,620.70-5,016.93

Finding the Fourth Proportional to 12,413.40, 18,620.70 and 5,016.93

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Solution

The fourth proportional to 12,413.40, 18,620.70 and 5,016.93 is: 7,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.40 : 18,620.70 = 5,016.93 : x
  2. Step 2: Convert to fraction form
    12,413.40/18,620.70 = 5,016.93/x
  3. Step 3: Cross multiply
    12,413.40x = 18,620.70 × 5,016.93
  4. Step 4: Simplify right side
    12,413.40x = 93,418,748.45
  5. Step 5: Solve for x
    x = 93,418,748.45/12,413.40
  6. Step 6: Final answer
    x = 7,525.64

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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.