Home / 11,413.40-17,123.10-3,622.20

Finding the Fourth Proportional to 11,413.40, 17,123.10 and 3,622.20

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Solution

The fourth proportional to 11,413.40, 17,123.10 and 3,622.20 is: 5,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.40 : 17,123.10 = 3,622.20 : x
  2. Step 2: Convert to fraction form
    11,413.40/17,123.10 = 3,622.20/x
  3. Step 3: Cross multiply
    11,413.40x = 17,123.10 × 3,622.20
  4. Step 4: Simplify right side
    11,413.40x = 62,023,292.82
  5. Step 5: Solve for x
    x = 62,023,292.82/11,413.40
  6. Step 6: Final answer
    x = 5,434.25

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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.