Home / 9,211.46-13,815.16-3,663.77

Finding the Fourth Proportional to 9,211.46, 13,815.16 and 3,663.77

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Solution

The fourth proportional to 9,211.46, 13,815.16 and 3,663.77 is: 5,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.46 : 13,815.16 = 3,663.77 : x
  2. Step 2: Convert to fraction form
    9,211.46/13,815.16 = 3,663.77/x
  3. Step 3: Cross multiply
    9,211.46x = 13,815.16 × 3,663.77
  4. Step 4: Simplify right side
    9,211.46x = 50,615,490.52
  5. Step 5: Solve for x
    x = 50,615,490.52/9,211.46
  6. Step 6: Final answer
    x = 5,494.84

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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.