Home / 11,413.11-15,750.09-6,377.34

Finding the Fourth Proportional to 11,413.11, 15,750.09 and 6,377.34

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Solution

The fourth proportional to 11,413.11, 15,750.09 and 6,377.34 is: 8,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.11 : 15,750.09 = 6,377.34 : x
  2. Step 2: Convert to fraction form
    11,413.11/15,750.09 = 6,377.34/x
  3. Step 3: Cross multiply
    11,413.11x = 15,750.09 × 6,377.34
  4. Step 4: Simplify right side
    11,413.11x = 100,443,678.96
  5. Step 5: Solve for x
    x = 100,443,678.96/11,413.11
  6. Step 6: Final answer
    x = 8,800.73

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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.