Home / 11,362.68-17,031.42-8,580.33

Finding the Fourth Proportional to 11,362.68, 17,031.42 and 8,580.33

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Solution

The fourth proportional to 11,362.68, 17,031.42 and 8,580.33 is: 12,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.68 : 17,031.42 = 8,580.33 : x
  2. Step 2: Convert to fraction form
    11,362.68/17,031.42 = 8,580.33/x
  3. Step 3: Cross multiply
    11,362.68x = 17,031.42 × 8,580.33
  4. Step 4: Simplify right side
    11,362.68x = 146,135,203.97
  5. Step 5: Solve for x
    x = 146,135,203.97/11,362.68
  6. Step 6: Final answer
    x = 12,860.98

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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.