Home / 11,753.90-17,618.48-3,854.36

Finding the Fourth Proportional to 11,753.90, 17,618.48 and 3,854.36

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Solution

The fourth proportional to 11,753.90, 17,618.48 and 3,854.36 is: 5,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.90 : 17,618.48 = 3,854.36 : x
  2. Step 2: Convert to fraction form
    11,753.90/17,618.48 = 3,854.36/x
  3. Step 3: Cross multiply
    11,753.90x = 17,618.48 × 3,854.36
  4. Step 4: Simplify right side
    11,753.90x = 67,907,989.35
  5. Step 5: Solve for x
    x = 67,907,989.35/11,753.90
  6. Step 6: Final answer
    x = 5,777.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.