Home / 6,519.48-9,772.34-2,135.76

Finding the Fourth Proportional to 6,519.48, 9,772.34 and 2,135.76

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Solution

The fourth proportional to 6,519.48, 9,772.34 and 2,135.76 is: 3,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.48 : 9,772.34 = 2,135.76 : x
  2. Step 2: Convert to fraction form
    6,519.48/9,772.34 = 2,135.76/x
  3. Step 3: Cross multiply
    6,519.48x = 9,772.34 × 2,135.76
  4. Step 4: Simplify right side
    6,519.48x = 20,871,362.20
  5. Step 5: Solve for x
    x = 20,871,362.20/6,519.48
  6. Step 6: Final answer
    x = 3,201.38

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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.