Home / 11,193.75-15,447.68-6,158.28

Finding the Fourth Proportional to 11,193.75, 15,447.68 and 6,158.28

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Solution

The fourth proportional to 11,193.75, 15,447.68 and 6,158.28 is: 8,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.75 : 15,447.68 = 6,158.28 : x
  2. Step 2: Convert to fraction form
    11,193.75/15,447.68 = 6,158.28/x
  3. Step 3: Cross multiply
    11,193.75x = 15,447.68 × 6,158.28
  4. Step 4: Simplify right side
    11,193.75x = 95,131,138.79
  5. Step 5: Solve for x
    x = 95,131,138.79/11,193.75
  6. Step 6: Final answer
    x = 8,498.59

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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.