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Finding the Fourth Proportional to 9,393.55, 12,956.86 and 6,040.61

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Solution

The fourth proportional to 9,393.55, 12,956.86 and 6,040.61 is: 8,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.55 : 12,956.86 = 6,040.61 : x
  2. Step 2: Convert to fraction form
    9,393.55/12,956.86 = 6,040.61/x
  3. Step 3: Cross multiply
    9,393.55x = 12,956.86 × 6,040.61
  4. Step 4: Simplify right side
    9,393.55x = 78,267,314.85
  5. Step 5: Solve for x
    x = 78,267,314.85/9,393.55
  6. Step 6: Final answer
    x = 8,332.03

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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.