Home / 9,221.18-13,830.32-3,376.42

Finding the Fourth Proportional to 9,221.18, 13,830.32 and 3,376.42

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Solution

The fourth proportional to 9,221.18, 13,830.32 and 3,376.42 is: 5,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.18 : 13,830.32 = 3,376.42 : x
  2. Step 2: Convert to fraction form
    9,221.18/13,830.32 = 3,376.42/x
  3. Step 3: Cross multiply
    9,221.18x = 13,830.32 × 3,376.42
  4. Step 4: Simplify right side
    9,221.18x = 46,696,942.92
  5. Step 5: Solve for x
    x = 46,696,942.92/9,221.18
  6. Step 6: Final answer
    x = 5,064.10

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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.