Home / 11,811.04-17,720.66-5,241.84

Finding the Fourth Proportional to 11,811.04, 17,720.66 and 5,241.84

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Solution

The fourth proportional to 11,811.04, 17,720.66 and 5,241.84 is: 7,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.04 : 17,720.66 = 5,241.84 : x
  2. Step 2: Convert to fraction form
    11,811.04/17,720.66 = 5,241.84/x
  3. Step 3: Cross multiply
    11,811.04x = 17,720.66 × 5,241.84
  4. Step 4: Simplify right side
    11,811.04x = 92,888,864.41
  5. Step 5: Solve for x
    x = 92,888,864.41/11,811.04
  6. Step 6: Final answer
    x = 7,864.58

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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.