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Finding the Fourth Proportional to 9,393.93, 12,957.38 and 6,040.98

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Solution

The fourth proportional to 9,393.93, 12,957.38 and 6,040.98 is: 8,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.93 : 12,957.38 = 6,040.98 : x
  2. Step 2: Convert to fraction form
    9,393.93/12,957.38 = 6,040.98/x
  3. Step 3: Cross multiply
    9,393.93x = 12,957.38 × 6,040.98
  4. Step 4: Simplify right side
    9,393.93x = 78,275,265.88
  5. Step 5: Solve for x
    x = 78,275,265.88/9,393.93
  6. Step 6: Final answer
    x = 8,332.54

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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.