Home / 10,556.43-15,835.56-2,765.25

Finding the Fourth Proportional to 10,556.43, 15,835.56 and 2,765.25

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Solution

The fourth proportional to 10,556.43, 15,835.56 and 2,765.25 is: 4,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.43 : 15,835.56 = 2,765.25 : x
  2. Step 2: Convert to fraction form
    10,556.43/15,835.56 = 2,765.25/x
  3. Step 3: Cross multiply
    10,556.43x = 15,835.56 × 2,765.25
  4. Step 4: Simplify right side
    10,556.43x = 43,789,282.29
  5. Step 5: Solve for x
    x = 43,789,282.29/10,556.43
  6. Step 6: Final answer
    x = 4,148.11

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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.