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Finding the Fourth Proportional to 11,615.48, 16,027.98 and 6,836.88

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Solution

The fourth proportional to 11,615.48, 16,027.98 and 6,836.88 is: 9,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.48 : 16,027.98 = 6,836.88 : x
  2. Step 2: Convert to fraction form
    11,615.48/16,027.98 = 6,836.88/x
  3. Step 3: Cross multiply
    11,615.48x = 16,027.98 × 6,836.88
  4. Step 4: Simplify right side
    11,615.48x = 109,581,365.29
  5. Step 5: Solve for x
    x = 109,581,365.29/11,615.48
  6. Step 6: Final answer
    x = 9,434.08

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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.