Home / 11,125-15,353.46-6,157.96

Finding the Fourth Proportional to 11,125, 15,353.46 and 6,157.96

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Solution

The fourth proportional to 11,125, 15,353.46 and 6,157.96 is: 8,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125 : 15,353.46 = 6,157.96 : x
  2. Step 2: Convert to fraction form
    11,125/15,353.46 = 6,157.96/x
  3. Step 3: Cross multiply
    11,125x = 15,353.46 × 6,157.96
  4. Step 4: Simplify right side
    11,125x = 94,545,992.54
  5. Step 5: Solve for x
    x = 94,545,992.54/11,125
  6. Step 6: Final answer
    x = 8,498.52

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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.