Home / 10,556.97-15,835.52-2,659.47

Finding the Fourth Proportional to 10,556.97, 15,835.52 and 2,659.47

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Solution

The fourth proportional to 10,556.97, 15,835.52 and 2,659.47 is: 3,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.97 : 15,835.52 = 2,659.47 : x
  2. Step 2: Convert to fraction form
    10,556.97/15,835.52 = 2,659.47/x
  3. Step 3: Cross multiply
    10,556.97x = 15,835.52 × 2,659.47
  4. Step 4: Simplify right side
    10,556.97x = 42,114,090.37
  5. Step 5: Solve for x
    x = 42,114,090.37/10,556.97
  6. Step 6: Final answer
    x = 3,989.22

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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.