Home / 10,382.96-15,568.68-3,453.68

Finding the Fourth Proportional to 10,382.96, 15,568.68 and 3,453.68

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Solution

The fourth proportional to 10,382.96, 15,568.68 and 3,453.68 is: 5,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.96 : 15,568.68 = 3,453.68 : x
  2. Step 2: Convert to fraction form
    10,382.96/15,568.68 = 3,453.68/x
  3. Step 3: Cross multiply
    10,382.96x = 15,568.68 × 3,453.68
  4. Step 4: Simplify right side
    10,382.96x = 53,769,238.74
  5. Step 5: Solve for x
    x = 53,769,238.74/10,382.96
  6. Step 6: Final answer
    x = 5,178.60

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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.