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Finding the Fourth Proportional to 9,327.86, 12,873.35 and 6,965.90

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Solution

The fourth proportional to 9,327.86, 12,873.35 and 6,965.90 is: 9,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.86 : 12,873.35 = 6,965.90 : x
  2. Step 2: Convert to fraction form
    9,327.86/12,873.35 = 6,965.90/x
  3. Step 3: Cross multiply
    9,327.86x = 12,873.35 × 6,965.90
  4. Step 4: Simplify right side
    9,327.86x = 89,674,432.89
  5. Step 5: Solve for x
    x = 89,674,432.89/9,327.86
  6. Step 6: Final answer
    x = 9,613.62

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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.