Home / 7,625.12-11,438.56-2,693.68

Finding the Fourth Proportional to 7,625.12, 11,438.56 and 2,693.68

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Solution

The fourth proportional to 7,625.12, 11,438.56 and 2,693.68 is: 4,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.12 : 11,438.56 = 2,693.68 : x
  2. Step 2: Convert to fraction form
    7,625.12/11,438.56 = 2,693.68/x
  3. Step 3: Cross multiply
    7,625.12x = 11,438.56 × 2,693.68
  4. Step 4: Simplify right side
    7,625.12x = 30,811,820.30
  5. Step 5: Solve for x
    x = 30,811,820.30/7,625.12
  6. Step 6: Final answer
    x = 4,040.83

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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.