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Finding the Fourth Proportional to 8,413.04, 11,597.53 and 5,387.82

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Solution

The fourth proportional to 8,413.04, 11,597.53 and 5,387.82 is: 7,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.04 : 11,597.53 = 5,387.82 : x
  2. Step 2: Convert to fraction form
    8,413.04/11,597.53 = 5,387.82/x
  3. Step 3: Cross multiply
    8,413.04x = 11,597.53 × 5,387.82
  4. Step 4: Simplify right side
    8,413.04x = 62,485,404.08
  5. Step 5: Solve for x
    x = 62,485,404.08/8,413.04
  6. Step 6: Final answer
    x = 7,427.21

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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.