Home / 10,556.55-15,825.11-5,012.51

Finding the Fourth Proportional to 10,556.55, 15,825.11 and 5,012.51

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Solution

The fourth proportional to 10,556.55, 15,825.11 and 5,012.51 is: 7,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.55 : 15,825.11 = 5,012.51 : x
  2. Step 2: Convert to fraction form
    10,556.55/15,825.11 = 5,012.51/x
  3. Step 3: Cross multiply
    10,556.55x = 15,825.11 × 5,012.51
  4. Step 4: Simplify right side
    10,556.55x = 79,323,417.94
  5. Step 5: Solve for x
    x = 79,323,417.94/10,556.55
  6. Step 6: Final answer
    x = 7,514.14

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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.