Home / 10,525.50-15,782.96-3,503.03

Finding the Fourth Proportional to 10,525.50, 15,782.96 and 3,503.03

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Solution

The fourth proportional to 10,525.50, 15,782.96 and 3,503.03 is: 5,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.50 : 15,782.96 = 3,503.03 : x
  2. Step 2: Convert to fraction form
    10,525.50/15,782.96 = 3,503.03/x
  3. Step 3: Cross multiply
    10,525.50x = 15,782.96 × 3,503.03
  4. Step 4: Simplify right side
    10,525.50x = 55,288,230.58
  5. Step 5: Solve for x
    x = 55,288,230.58/10,525.50
  6. Step 6: Final answer
    x = 5,252.79

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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.