Home / 7,655.68-11,485.44-2,461.44

Finding the Fourth Proportional to 7,655.68, 11,485.44 and 2,461.44

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Solution

The fourth proportional to 7,655.68, 11,485.44 and 2,461.44 is: 3,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.68 : 11,485.44 = 2,461.44 : x
  2. Step 2: Convert to fraction form
    7,655.68/11,485.44 = 2,461.44/x
  3. Step 3: Cross multiply
    7,655.68x = 11,485.44 × 2,461.44
  4. Step 4: Simplify right side
    7,655.68x = 28,270,721.43
  5. Step 5: Solve for x
    x = 28,270,721.43/7,655.68
  6. Step 6: Final answer
    x = 3,692.78

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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.