Home / 7,675.12-11,505.20-2,477.44

Finding the Fourth Proportional to 7,675.12, 11,505.20 and 2,477.44

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Solution

The fourth proportional to 7,675.12, 11,505.20 and 2,477.44 is: 3,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.12 : 11,505.20 = 2,477.44 : x
  2. Step 2: Convert to fraction form
    7,675.12/11,505.20 = 2,477.44/x
  3. Step 3: Cross multiply
    7,675.12x = 11,505.20 × 2,477.44
  4. Step 4: Simplify right side
    7,675.12x = 28,503,442.69
  5. Step 5: Solve for x
    x = 28,503,442.69/7,675.12
  6. Step 6: Final answer
    x = 3,713.75

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1.5x scale

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.