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Finding the Fourth Proportional to 8,374.41, 11,555.37 and 4,836.94

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Solution

The fourth proportional to 8,374.41, 11,555.37 and 4,836.94 is: 6,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.41 : 11,555.37 = 4,836.94 : x
  2. Step 2: Convert to fraction form
    8,374.41/11,555.37 = 4,836.94/x
  3. Step 3: Cross multiply
    8,374.41x = 11,555.37 × 4,836.94
  4. Step 4: Simplify right side
    8,374.41x = 55,892,602.48
  5. Step 5: Solve for x
    x = 55,892,602.48/8,374.41
  6. Step 6: Final answer
    x = 6,674.21

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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.