Home / 9,211.85-13,819.87-3,368.46

Finding the Fourth Proportional to 9,211.85, 13,819.87 and 3,368.46

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Solution

The fourth proportional to 9,211.85, 13,819.87 and 3,368.46 is: 5,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.85 : 13,819.87 = 3,368.46 : x
  2. Step 2: Convert to fraction form
    9,211.85/13,819.87 = 3,368.46/x
  3. Step 3: Cross multiply
    9,211.85x = 13,819.87 × 3,368.46
  4. Step 4: Simplify right side
    9,211.85x = 46,551,677.52
  5. Step 5: Solve for x
    x = 46,551,677.52/9,211.85
  6. Step 6: Final answer
    x = 5,053.46

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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.