Home / 11,591.28-17,371.60-6,328.56

Finding the Fourth Proportional to 11,591.28, 17,371.60 and 6,328.56

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Solution

The fourth proportional to 11,591.28, 17,371.60 and 6,328.56 is: 9,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.28 : 17,371.60 = 6,328.56 : x
  2. Step 2: Convert to fraction form
    11,591.28/17,371.60 = 6,328.56/x
  3. Step 3: Cross multiply
    11,591.28x = 17,371.60 × 6,328.56
  4. Step 4: Simplify right side
    11,591.28x = 109,937,212.90
  5. Step 5: Solve for x
    x = 109,937,212.90/11,591.28
  6. Step 6: Final answer
    x = 9,484.48

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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.