Home / 11,551.42-17,327.14-4,155.88

Finding the Fourth Proportional to 11,551.42, 17,327.14 and 4,155.88

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Solution

The fourth proportional to 11,551.42, 17,327.14 and 4,155.88 is: 6,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.42 : 17,327.14 = 4,155.88 : x
  2. Step 2: Convert to fraction form
    11,551.42/17,327.14 = 4,155.88/x
  3. Step 3: Cross multiply
    11,551.42x = 17,327.14 × 4,155.88
  4. Step 4: Simplify right side
    11,551.42x = 72,009,514.58
  5. Step 5: Solve for x
    x = 72,009,514.58/11,551.42
  6. Step 6: Final answer
    x = 6,233.82

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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.