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Finding the Fourth Proportional to 9,365.56, 12,918.93 and 6,007.14

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Solution

The fourth proportional to 9,365.56, 12,918.93 and 6,007.14 is: 8,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.56 : 12,918.93 = 6,007.14 : x
  2. Step 2: Convert to fraction form
    9,365.56/12,918.93 = 6,007.14/x
  3. Step 3: Cross multiply
    9,365.56x = 12,918.93 × 6,007.14
  4. Step 4: Simplify right side
    9,365.56x = 77,605,821.16
  5. Step 5: Solve for x
    x = 77,605,821.16/9,365.56
  6. Step 6: Final answer
    x = 8,286.30

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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.