Home / 6,372.12-9,559.92-1,929.60

Finding the Fourth Proportional to 6,372.12, 9,559.92 and 1,929.60

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Solution

The fourth proportional to 6,372.12, 9,559.92 and 1,929.60 is: 2,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.12 : 9,559.92 = 1,929.60 : x
  2. Step 2: Convert to fraction form
    6,372.12/9,559.92 = 1,929.60/x
  3. Step 3: Cross multiply
    6,372.12x = 9,559.92 × 1,929.60
  4. Step 4: Simplify right side
    6,372.12x = 18,446,821.63
  5. Step 5: Solve for x
    x = 18,446,821.63/6,372.12
  6. Step 6: Final answer
    x = 2,894.93

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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.