Home / 11,192.29-15,445.35-6,413.79

Finding the Fourth Proportional to 11,192.29, 15,445.35 and 6,413.79

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Solution

The fourth proportional to 11,192.29, 15,445.35 and 6,413.79 is: 8,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.29 : 15,445.35 = 6,413.79 : x
  2. Step 2: Convert to fraction form
    11,192.29/15,445.35 = 6,413.79/x
  3. Step 3: Cross multiply
    11,192.29x = 15,445.35 × 6,413.79
  4. Step 4: Simplify right side
    11,192.29x = 99,063,231.38
  5. Step 5: Solve for x
    x = 99,063,231.38/11,192.29
  6. Step 6: Final answer
    x = 8,851.02

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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.