Home / 12,272.64-18,413.28-4,482.24

Finding the Fourth Proportional to 12,272.64, 18,413.28 and 4,482.24

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Solution

The fourth proportional to 12,272.64, 18,413.28 and 4,482.24 is: 6,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.64 : 18,413.28 = 4,482.24 : x
  2. Step 2: Convert to fraction form
    12,272.64/18,413.28 = 4,482.24/x
  3. Step 3: Cross multiply
    12,272.64x = 18,413.28 × 4,482.24
  4. Step 4: Simplify right side
    12,272.64x = 82,532,740.15
  5. Step 5: Solve for x
    x = 82,532,740.15/12,272.64
  6. Step 6: Final answer
    x = 6,724.94

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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.