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Finding the Fourth Proportional to 11,458.02, 15,799.14 and 8,094.90

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Solution

The fourth proportional to 11,458.02, 15,799.14 and 8,094.90 is: 11,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.02 : 15,799.14 = 8,094.90 : x
  2. Step 2: Convert to fraction form
    11,458.02/15,799.14 = 8,094.90/x
  3. Step 3: Cross multiply
    11,458.02x = 15,799.14 × 8,094.90
  4. Step 4: Simplify right side
    11,458.02x = 127,892,458.39
  5. Step 5: Solve for x
    x = 127,892,458.39/11,458.02
  6. Step 6: Final answer
    x = 11,161.83

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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.