Home / 12,413.97-17,132.85-7,037.28

Finding the Fourth Proportional to 12,413.97, 17,132.85 and 7,037.28

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Solution

The fourth proportional to 12,413.97, 17,132.85 and 7,037.28 is: 9,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.97 : 17,132.85 = 7,037.28 : x
  2. Step 2: Convert to fraction form
    12,413.97/17,132.85 = 7,037.28/x
  3. Step 3: Cross multiply
    12,413.97x = 17,132.85 × 7,037.28
  4. Step 4: Simplify right side
    12,413.97x = 120,568,681.20
  5. Step 5: Solve for x
    x = 120,568,681.20/12,413.97
  6. Step 6: Final answer
    x = 9,712.34

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Similar ratio
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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.