Home / 10,882.96-16,327.28-5,619.56

Finding the Fourth Proportional to 10,882.96, 16,327.28 and 5,619.56

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Solution

The fourth proportional to 10,882.96, 16,327.28 and 5,619.56 is: 8,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.96 : 16,327.28 = 5,619.56 : x
  2. Step 2: Convert to fraction form
    10,882.96/16,327.28 = 5,619.56/x
  3. Step 3: Cross multiply
    10,882.96x = 16,327.28 × 5,619.56
  4. Step 4: Simplify right side
    10,882.96x = 91,752,129.60
  5. Step 5: Solve for x
    x = 91,752,129.60/10,882.96
  6. Step 6: Final answer
    x = 8,430.81

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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.