Home / 11,239.47-16,856.88-3,342.03

Finding the Fourth Proportional to 11,239.47, 16,856.88 and 3,342.03

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Solution

The fourth proportional to 11,239.47, 16,856.88 and 3,342.03 is: 5,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.47 : 16,856.88 = 3,342.03 : x
  2. Step 2: Convert to fraction form
    11,239.47/16,856.88 = 3,342.03/x
  3. Step 3: Cross multiply
    11,239.47x = 16,856.88 × 3,342.03
  4. Step 4: Simplify right side
    11,239.47x = 56,336,198.67
  5. Step 5: Solve for x
    x = 56,336,198.67/11,239.47
  6. Step 6: Final answer
    x = 5,012.35

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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.