Home / 7,358.12-11,040.12-3,462.80

Finding the Fourth Proportional to 7,358.12, 11,040.12 and 3,462.80

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Solution

The fourth proportional to 7,358.12, 11,040.12 and 3,462.80 is: 5,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.12 : 11,040.12 = 3,462.80 : x
  2. Step 2: Convert to fraction form
    7,358.12/11,040.12 = 3,462.80/x
  3. Step 3: Cross multiply
    7,358.12x = 11,040.12 × 3,462.80
  4. Step 4: Simplify right side
    7,358.12x = 38,229,727.54
  5. Step 5: Solve for x
    x = 38,229,727.54/7,358.12
  6. Step 6: Final answer
    x = 5,195.58

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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.