Home / 10,231.26-15,346.98-3,657.84

Finding the Fourth Proportional to 10,231.26, 15,346.98 and 3,657.84

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Solution

The fourth proportional to 10,231.26, 15,346.98 and 3,657.84 is: 5,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.26 : 15,346.98 = 3,657.84 : x
  2. Step 2: Convert to fraction form
    10,231.26/15,346.98 = 3,657.84/x
  3. Step 3: Cross multiply
    10,231.26x = 15,346.98 × 3,657.84
  4. Step 4: Simplify right side
    10,231.26x = 56,136,797.32
  5. Step 5: Solve for x
    x = 56,136,797.32/10,231.26
  6. Step 6: Final answer
    x = 5,486.79

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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.