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Finding the Fourth Proportional to 8,713.09, 12,023.97 and 4,734.12

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Solution

The fourth proportional to 8,713.09, 12,023.97 and 4,734.12 is: 6,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.09 : 12,023.97 = 4,734.12 : x
  2. Step 2: Convert to fraction form
    8,713.09/12,023.97 = 4,734.12/x
  3. Step 3: Cross multiply
    8,713.09x = 12,023.97 × 4,734.12
  4. Step 4: Simplify right side
    8,713.09x = 56,922,916.86
  5. Step 5: Solve for x
    x = 56,922,916.86/8,713.09
  6. Step 6: Final answer
    x = 6,533.03

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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.