Home / 10,556.76-15,829.84-3,534.36

Finding the Fourth Proportional to 10,556.76, 15,829.84 and 3,534.36

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Solution

The fourth proportional to 10,556.76, 15,829.84 and 3,534.36 is: 5,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.76 : 15,829.84 = 3,534.36 : x
  2. Step 2: Convert to fraction form
    10,556.76/15,829.84 = 3,534.36/x
  3. Step 3: Cross multiply
    10,556.76x = 15,829.84 × 3,534.36
  4. Step 4: Simplify right side
    10,556.76x = 55,948,353.30
  5. Step 5: Solve for x
    x = 55,948,353.30/10,556.76
  6. Step 6: Final answer
    x = 5,299.77

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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.