Home / 10,413.51-14,349.37-7,422.99

Finding the Fourth Proportional to 10,413.51, 14,349.37 and 7,422.99

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Solution

The fourth proportional to 10,413.51, 14,349.37 and 7,422.99 is: 10,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.51 : 14,349.37 = 7,422.99 : x
  2. Step 2: Convert to fraction form
    10,413.51/14,349.37 = 7,422.99/x
  3. Step 3: Cross multiply
    10,413.51x = 14,349.37 × 7,422.99
  4. Step 4: Simplify right side
    10,413.51x = 106,515,230.02
  5. Step 5: Solve for x
    x = 106,515,230.02/10,413.51
  6. Step 6: Final answer
    x = 10,228.56

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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.