Home / 11,735.28-17,588.88-5,487.12

Finding the Fourth Proportional to 11,735.28, 17,588.88 and 5,487.12

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Solution

The fourth proportional to 11,735.28, 17,588.88 and 5,487.12 is: 8,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.28 : 17,588.88 = 5,487.12 : x
  2. Step 2: Convert to fraction form
    11,735.28/17,588.88 = 5,487.12/x
  3. Step 3: Cross multiply
    11,735.28x = 17,588.88 × 5,487.12
  4. Step 4: Simplify right side
    11,735.28x = 96,512,295.23
  5. Step 5: Solve for x
    x = 96,512,295.23/11,735.28
  6. Step 6: Final answer
    x = 8,224.12

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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.