Home / 7,412.72-10,229.69-4,432.73

Finding the Fourth Proportional to 7,412.72, 10,229.69 and 4,432.73

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Solution

The fourth proportional to 7,412.72, 10,229.69 and 4,432.73 is: 6,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.72 : 10,229.69 = 4,432.73 : x
  2. Step 2: Convert to fraction form
    7,412.72/10,229.69 = 4,432.73/x
  3. Step 3: Cross multiply
    7,412.72x = 10,229.69 × 4,432.73
  4. Step 4: Simplify right side
    7,412.72x = 45,345,413.69
  5. Step 5: Solve for x
    x = 45,345,413.69/7,412.72
  6. Step 6: Final answer
    x = 6,117.25

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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.