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Finding the Fourth Proportional to 9,430.93, 12,914.08 and 9,059.14

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Solution

The fourth proportional to 9,430.93, 12,914.08 and 9,059.14 is: 12,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.93 : 12,914.08 = 9,059.14 : x
  2. Step 2: Convert to fraction form
    9,430.93/12,914.08 = 9,059.14/x
  3. Step 3: Cross multiply
    9,430.93x = 12,914.08 × 9,059.14
  4. Step 4: Simplify right side
    9,430.93x = 116,990,413.40
  5. Step 5: Solve for x
    x = 116,990,413.40/9,430.93
  6. Step 6: Final answer
    x = 12,404.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.