Home / 7,690.33-11,525.64-4,181.95

Finding the Fourth Proportional to 7,690.33, 11,525.64 and 4,181.95

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Solution

The fourth proportional to 7,690.33, 11,525.64 and 4,181.95 is: 6,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.33 : 11,525.64 = 4,181.95 : x
  2. Step 2: Convert to fraction form
    7,690.33/11,525.64 = 4,181.95/x
  3. Step 3: Cross multiply
    7,690.33x = 11,525.64 × 4,181.95
  4. Step 4: Simplify right side
    7,690.33x = 48,199,650.20
  5. Step 5: Solve for x
    x = 48,199,650.20/7,690.33
  6. Step 6: Final answer
    x = 6,267.57

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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.