Home / 10,092.96-15,138.36-3,519

Finding the Fourth Proportional to 10,092.96, 15,138.36 and 3,519

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Solution

The fourth proportional to 10,092.96, 15,138.36 and 3,519 is: 5,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.96 : 15,138.36 = 3,519 : x
  2. Step 2: Convert to fraction form
    10,092.96/15,138.36 = 3,519/x
  3. Step 3: Cross multiply
    10,092.96x = 15,138.36 × 3,519
  4. Step 4: Simplify right side
    10,092.96x = 53,271,888.84
  5. Step 5: Solve for x
    x = 53,271,888.84/10,092.96
  6. Step 6: Final answer
    x = 5,278.12

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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.