Home / 8,986.86-12,397.68-5,799.33

Finding the Fourth Proportional to 8,986.86, 12,397.68 and 5,799.33

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Solution

The fourth proportional to 8,986.86, 12,397.68 and 5,799.33 is: 8,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.86 : 12,397.68 = 5,799.33 : x
  2. Step 2: Convert to fraction form
    8,986.86/12,397.68 = 5,799.33/x
  3. Step 3: Cross multiply
    8,986.86x = 12,397.68 × 5,799.33
  4. Step 4: Simplify right side
    8,986.86x = 71,898,237.55
  5. Step 5: Solve for x
    x = 71,898,237.55/8,986.86
  6. Step 6: Final answer
    x = 8,000.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.