Home / 8,057.63-12,090.85-3,127.47

Finding the Fourth Proportional to 8,057.63, 12,090.85 and 3,127.47

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Solution

The fourth proportional to 8,057.63, 12,090.85 and 3,127.47 is: 4,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.63 : 12,090.85 = 3,127.47 : x
  2. Step 2: Convert to fraction form
    8,057.63/12,090.85 = 3,127.47/x
  3. Step 3: Cross multiply
    8,057.63x = 12,090.85 × 3,127.47
  4. Step 4: Simplify right side
    8,057.63x = 37,813,735.08
  5. Step 5: Solve for x
    x = 37,813,735.08/8,057.63
  6. Step 6: Final answer
    x = 4,692.91

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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.