Home / 10,556.70-15,835.56-2,765.52

Finding the Fourth Proportional to 10,556.70, 15,835.56 and 2,765.52

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Solution

The fourth proportional to 10,556.70, 15,835.56 and 2,765.52 is: 4,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.70 : 15,835.56 = 2,765.52 : x
  2. Step 2: Convert to fraction form
    10,556.70/15,835.56 = 2,765.52/x
  3. Step 3: Cross multiply
    10,556.70x = 15,835.56 × 2,765.52
  4. Step 4: Simplify right side
    10,556.70x = 43,793,557.89
  5. Step 5: Solve for x
    x = 43,793,557.89/10,556.70
  6. Step 6: Final answer
    x = 4,148.41

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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.