Home / 11,294.35-16,943.16-4,272.46

Finding the Fourth Proportional to 11,294.35, 16,943.16 and 4,272.46

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Solution

The fourth proportional to 11,294.35, 16,943.16 and 4,272.46 is: 6,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.35 : 16,943.16 = 4,272.46 : x
  2. Step 2: Convert to fraction form
    11,294.35/16,943.16 = 4,272.46/x
  3. Step 3: Cross multiply
    11,294.35x = 16,943.16 × 4,272.46
  4. Step 4: Simplify right side
    11,294.35x = 72,388,973.37
  5. Step 5: Solve for x
    x = 72,388,973.37/11,294.35
  6. Step 6: Final answer
    x = 6,409.31

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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.