Home / 13,383.01-18,467.35-7,413.11

Finding the Fourth Proportional to 13,383.01, 18,467.35 and 7,413.11

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Solution

The fourth proportional to 13,383.01, 18,467.35 and 7,413.11 is: 10,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.01 : 18,467.35 = 7,413.11 : x
  2. Step 2: Convert to fraction form
    13,383.01/18,467.35 = 7,413.11/x
  3. Step 3: Cross multiply
    13,383.01x = 18,467.35 × 7,413.11
  4. Step 4: Simplify right side
    13,383.01x = 136,900,496.96
  5. Step 5: Solve for x
    x = 136,900,496.96/13,383.01
  6. Step 6: Final answer
    x = 10,229.42

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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.