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Finding the Fourth Proportional to 9,362.93, 12,923.55 and 6,178.55

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Solution

The fourth proportional to 9,362.93, 12,923.55 and 6,178.55 is: 8,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.93 : 12,923.55 = 6,178.55 : x
  2. Step 2: Convert to fraction form
    9,362.93/12,923.55 = 6,178.55/x
  3. Step 3: Cross multiply
    9,362.93x = 12,923.55 × 6,178.55
  4. Step 4: Simplify right side
    9,362.93x = 79,848,735.23
  5. Step 5: Solve for x
    x = 79,848,735.23/9,362.93
  6. Step 6: Final answer
    x = 8,528.18

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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.