Home / 7,836.22-11,746.65-3,222.46

Finding the Fourth Proportional to 7,836.22, 11,746.65 and 3,222.46

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Solution

The fourth proportional to 7,836.22, 11,746.65 and 3,222.46 is: 4,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.22 : 11,746.65 = 3,222.46 : x
  2. Step 2: Convert to fraction form
    7,836.22/11,746.65 = 3,222.46/x
  3. Step 3: Cross multiply
    7,836.22x = 11,746.65 × 3,222.46
  4. Step 4: Simplify right side
    7,836.22x = 37,853,109.76
  5. Step 5: Solve for x
    x = 37,853,109.76/7,836.22
  6. Step 6: Final answer
    x = 4,830.53

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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.