Home / 12,535.13-18,796.55-5,137.58

Finding the Fourth Proportional to 12,535.13, 18,796.55 and 5,137.58

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Solution

The fourth proportional to 12,535.13, 18,796.55 and 5,137.58 is: 7,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.13 : 18,796.55 = 5,137.58 : x
  2. Step 2: Convert to fraction form
    12,535.13/18,796.55 = 5,137.58/x
  3. Step 3: Cross multiply
    12,535.13x = 18,796.55 × 5,137.58
  4. Step 4: Simplify right side
    12,535.13x = 96,568,659.68
  5. Step 5: Solve for x
    x = 96,568,659.68/12,535.13
  6. Step 6: Final answer
    x = 7,703.84

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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.