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Finding the Fourth Proportional to 11,217.42, 16,837.06 and 8,560.08

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Solution

The fourth proportional to 11,217.42, 16,837.06 and 8,560.08 is: 12,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.42 : 16,837.06 = 8,560.08 : x
  2. Step 2: Convert to fraction form
    11,217.42/16,837.06 = 8,560.08/x
  3. Step 3: Cross multiply
    11,217.42x = 16,837.06 × 8,560.08
  4. Step 4: Simplify right side
    11,217.42x = 144,126,580.56
  5. Step 5: Solve for x
    x = 144,126,580.56/11,217.42
  6. Step 6: Final answer
    x = 12,848.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.