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Finding the Fourth Proportional to 9,773.54, 13,493.26 and 6,422.22

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Solution

The fourth proportional to 9,773.54, 13,493.26 and 6,422.22 is: 8,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773.54 : 13,493.26 = 6,422.22 : x
  2. Step 2: Convert to fraction form
    9,773.54/13,493.26 = 6,422.22/x
  3. Step 3: Cross multiply
    9,773.54x = 13,493.26 × 6,422.22
  4. Step 4: Simplify right side
    9,773.54x = 86,656,600.72
  5. Step 5: Solve for x
    x = 86,656,600.72/9,773.54
  6. Step 6: Final answer
    x = 8,866.45

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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.