Home / 7,655.19-11,485.50-3,272.98

Finding the Fourth Proportional to 7,655.19, 11,485.50 and 3,272.98

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Solution

The fourth proportional to 7,655.19, 11,485.50 and 3,272.98 is: 4,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.19 : 11,485.50 = 3,272.98 : x
  2. Step 2: Convert to fraction form
    7,655.19/11,485.50 = 3,272.98/x
  3. Step 3: Cross multiply
    7,655.19x = 11,485.50 × 3,272.98
  4. Step 4: Simplify right side
    7,655.19x = 37,591,811.79
  5. Step 5: Solve for x
    x = 37,591,811.79/7,655.19
  6. Step 6: Final answer
    x = 4,910.63

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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.