Home / 11,551.86-17,327.79-4,621.50

Finding the Fourth Proportional to 11,551.86, 17,327.79 and 4,621.50

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Solution

The fourth proportional to 11,551.86, 17,327.79 and 4,621.50 is: 6,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.86 : 17,327.79 = 4,621.50 : x
  2. Step 2: Convert to fraction form
    11,551.86/17,327.79 = 4,621.50/x
  3. Step 3: Cross multiply
    11,551.86x = 17,327.79 × 4,621.50
  4. Step 4: Simplify right side
    11,551.86x = 80,080,381.49
  5. Step 5: Solve for x
    x = 80,080,381.49/11,551.86
  6. Step 6: Final answer
    x = 6,932.25

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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.