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Finding the Fourth Proportional to 11,656.93, 16,092.52 and 7,899.95

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Solution

The fourth proportional to 11,656.93, 16,092.52 and 7,899.95 is: 10,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.93 : 16,092.52 = 7,899.95 : x
  2. Step 2: Convert to fraction form
    11,656.93/16,092.52 = 7,899.95/x
  3. Step 3: Cross multiply
    11,656.93x = 16,092.52 × 7,899.95
  4. Step 4: Simplify right side
    11,656.93x = 127,130,103.37
  5. Step 5: Solve for x
    x = 127,130,103.37/11,656.93
  6. Step 6: Final answer
    x = 10,905.97

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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.