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Finding the Fourth Proportional to 11,413.50, 15,750.04 and 6,376.70

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Solution

The fourth proportional to 11,413.50, 15,750.04 and 6,376.70 is: 8,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.50 : 15,750.04 = 6,376.70 : x
  2. Step 2: Convert to fraction form
    11,413.50/15,750.04 = 6,376.70/x
  3. Step 3: Cross multiply
    11,413.50x = 15,750.04 × 6,376.70
  4. Step 4: Simplify right side
    11,413.50x = 100,433,280.07
  5. Step 5: Solve for x
    x = 100,433,280.07/11,413.50
  6. Step 6: Final answer
    x = 8,799.52

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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.