Home / 7,413.37-11,122.35-3,031.18

Finding the Fourth Proportional to 7,413.37, 11,122.35 and 3,031.18

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Solution

The fourth proportional to 7,413.37, 11,122.35 and 3,031.18 is: 4,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.37 : 11,122.35 = 3,031.18 : x
  2. Step 2: Convert to fraction form
    7,413.37/11,122.35 = 3,031.18/x
  3. Step 3: Cross multiply
    7,413.37x = 11,122.35 × 3,031.18
  4. Step 4: Simplify right side
    7,413.37x = 33,713,844.87
  5. Step 5: Solve for x
    x = 33,713,844.87/7,413.37
  6. Step 6: Final answer
    x = 4,547.71

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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.