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Finding the Fourth Proportional to 11,813.56, 17,714.58 and 6,747.16

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Solution

The fourth proportional to 11,813.56, 17,714.58 and 6,747.16 is: 10,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.56 : 17,714.58 = 6,747.16 : x
  2. Step 2: Convert to fraction form
    11,813.56/17,714.58 = 6,747.16/x
  3. Step 3: Cross multiply
    11,813.56x = 17,714.58 × 6,747.16
  4. Step 4: Simplify right side
    11,813.56x = 119,523,105.59
  5. Step 5: Solve for x
    x = 119,523,105.59/11,813.56
  6. Step 6: Final answer
    x = 10,117.45

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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.