Home / 10,918.88-15,066.24-6,201.44

Finding the Fourth Proportional to 10,918.88, 15,066.24 and 6,201.44

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Solution

The fourth proportional to 10,918.88, 15,066.24 and 6,201.44 is: 8,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.88 : 15,066.24 = 6,201.44 : x
  2. Step 2: Convert to fraction form
    10,918.88/15,066.24 = 6,201.44/x
  3. Step 3: Cross multiply
    10,918.88x = 15,066.24 × 6,201.44
  4. Step 4: Simplify right side
    10,918.88x = 93,432,383.39
  5. Step 5: Solve for x
    x = 93,432,383.39/10,918.88
  6. Step 6: Final answer
    x = 8,556.96

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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.