Home / 7,477.20-11,211.30-3,092.31

Finding the Fourth Proportional to 7,477.20, 11,211.30 and 3,092.31

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Solution

The fourth proportional to 7,477.20, 11,211.30 and 3,092.31 is: 4,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.20 : 11,211.30 = 3,092.31 : x
  2. Step 2: Convert to fraction form
    7,477.20/11,211.30 = 3,092.31/x
  3. Step 3: Cross multiply
    7,477.20x = 11,211.30 × 3,092.31
  4. Step 4: Simplify right side
    7,477.20x = 34,668,815.10
  5. Step 5: Solve for x
    x = 34,668,815.10/7,477.20
  6. Step 6: Final answer
    x = 4,636.60

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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.