Home / 7,610.18-11,415.06-3,447.18

Finding the Fourth Proportional to 7,610.18, 11,415.06 and 3,447.18

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Solution

The fourth proportional to 7,610.18, 11,415.06 and 3,447.18 is: 5,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.18 : 11,415.06 = 3,447.18 : x
  2. Step 2: Convert to fraction form
    7,610.18/11,415.06 = 3,447.18/x
  3. Step 3: Cross multiply
    7,610.18x = 11,415.06 × 3,447.18
  4. Step 4: Simplify right side
    7,610.18x = 39,349,766.53
  5. Step 5: Solve for x
    x = 39,349,766.53/7,610.18
  6. Step 6: Final answer
    x = 5,170.68

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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.