Home / 11,215.93-16,793.79-6,271.48

Finding the Fourth Proportional to 11,215.93, 16,793.79 and 6,271.48

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Solution

The fourth proportional to 11,215.93, 16,793.79 and 6,271.48 is: 9,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.93 : 16,793.79 = 6,271.48 : x
  2. Step 2: Convert to fraction form
    11,215.93/16,793.79 = 6,271.48/x
  3. Step 3: Cross multiply
    11,215.93x = 16,793.79 × 6,271.48
  4. Step 4: Simplify right side
    11,215.93x = 105,321,918.11
  5. Step 5: Solve for x
    x = 105,321,918.11/11,215.93
  6. Step 6: Final answer
    x = 9,390.39

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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.