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Finding the Fourth Proportional to 9,820.56, 13,553.28 and 6,046.20

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Solution

The fourth proportional to 9,820.56, 13,553.28 and 6,046.20 is: 8,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.56 : 13,553.28 = 6,046.20 : x
  2. Step 2: Convert to fraction form
    9,820.56/13,553.28 = 6,046.20/x
  3. Step 3: Cross multiply
    9,820.56x = 13,553.28 × 6,046.20
  4. Step 4: Simplify right side
    9,820.56x = 81,945,841.54
  5. Step 5: Solve for x
    x = 81,945,841.54/9,820.56
  6. Step 6: Final answer
    x = 8,344.31

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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.