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Finding the Fourth Proportional to 11,798.76, 16,283.34 and 6,764.76

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Solution

The fourth proportional to 11,798.76, 16,283.34 and 6,764.76 is: 9,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.76 : 16,283.34 = 6,764.76 : x
  2. Step 2: Convert to fraction form
    11,798.76/16,283.34 = 6,764.76/x
  3. Step 3: Cross multiply
    11,798.76x = 16,283.34 × 6,764.76
  4. Step 4: Simplify right side
    11,798.76x = 110,152,887.10
  5. Step 5: Solve for x
    x = 110,152,887.10/11,798.76
  6. Step 6: Final answer
    x = 9,335.97

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Double scale
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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.