Home / 11,316.94-16,975.53-3,419.52

Finding the Fourth Proportional to 11,316.94, 16,975.53 and 3,419.52

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Solution

The fourth proportional to 11,316.94, 16,975.53 and 3,419.52 is: 5,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.94 : 16,975.53 = 3,419.52 : x
  2. Step 2: Convert to fraction form
    11,316.94/16,975.53 = 3,419.52/x
  3. Step 3: Cross multiply
    11,316.94x = 16,975.53 × 3,419.52
  4. Step 4: Simplify right side
    11,316.94x = 58,048,079.47
  5. Step 5: Solve for x
    x = 58,048,079.47/11,316.94
  6. Step 6: Final answer
    x = 5,129.31

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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.