Home / 10,093.68-15,121.44-5,714.28

Finding the Fourth Proportional to 10,093.68, 15,121.44 and 5,714.28

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Solution

The fourth proportional to 10,093.68, 15,121.44 and 5,714.28 is: 8,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.68 : 15,121.44 = 5,714.28 : x
  2. Step 2: Convert to fraction form
    10,093.68/15,121.44 = 5,714.28/x
  3. Step 3: Cross multiply
    10,093.68x = 15,121.44 × 5,714.28
  4. Step 4: Simplify right side
    10,093.68x = 86,408,142.16
  5. Step 5: Solve for x
    x = 86,408,142.16/10,093.68
  6. Step 6: Final answer
    x = 8,560.62

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1.5x scale

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.