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Finding the Fourth Proportional to 9,393.63, 12,959.62 and 6,208.44

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Solution

The fourth proportional to 9,393.63, 12,959.62 and 6,208.44 is: 8,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.63 : 12,959.62 = 6,208.44 : x
  2. Step 2: Convert to fraction form
    9,393.63/12,959.62 = 6,208.44/x
  3. Step 3: Cross multiply
    9,393.63x = 12,959.62 × 6,208.44
  4. Step 4: Simplify right side
    9,393.63x = 80,459,023.19
  5. Step 5: Solve for x
    x = 80,459,023.19/9,393.63
  6. Step 6: Final answer
    x = 8,565.27

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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.