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Finding the Fourth Proportional to 9,407.96, 12,980.03 and 5,873.22

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Solution

The fourth proportional to 9,407.96, 12,980.03 and 5,873.22 is: 8,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.96 : 12,980.03 = 5,873.22 : x
  2. Step 2: Convert to fraction form
    9,407.96/12,980.03 = 5,873.22/x
  3. Step 3: Cross multiply
    9,407.96x = 12,980.03 × 5,873.22
  4. Step 4: Simplify right side
    9,407.96x = 76,234,542.43
  5. Step 5: Solve for x
    x = 76,234,542.43/9,407.96
  6. Step 6: Final answer
    x = 8,103.19

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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.