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Finding the Fourth Proportional to 11,798.64, 16,281.99 and 6,493.34

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Solution

The fourth proportional to 11,798.64, 16,281.99 and 6,493.34 is: 8,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.64 : 16,281.99 = 6,493.34 : x
  2. Step 2: Convert to fraction form
    11,798.64/16,281.99 = 6,493.34/x
  3. Step 3: Cross multiply
    11,798.64x = 16,281.99 × 6,493.34
  4. Step 4: Simplify right side
    11,798.64x = 105,724,473.60
  5. Step 5: Solve for x
    x = 105,724,473.60/11,798.64
  6. Step 6: Final answer
    x = 8,960.74

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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.