Home / 10,120.68-13,967.28-5,929.56

Finding the Fourth Proportional to 10,120.68, 13,967.28 and 5,929.56

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Solution

The fourth proportional to 10,120.68, 13,967.28 and 5,929.56 is: 8,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.68 : 13,967.28 = 5,929.56 : x
  2. Step 2: Convert to fraction form
    10,120.68/13,967.28 = 5,929.56/x
  3. Step 3: Cross multiply
    10,120.68x = 13,967.28 × 5,929.56
  4. Step 4: Simplify right side
    10,120.68x = 82,819,824.80
  5. Step 5: Solve for x
    x = 82,819,824.80/10,120.68
  6. Step 6: Final answer
    x = 8,183.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.