Home / 11,460.21-17,190.72-5,615.25

Finding the Fourth Proportional to 11,460.21, 17,190.72 and 5,615.25

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Solution

The fourth proportional to 11,460.21, 17,190.72 and 5,615.25 is: 8,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.21 : 17,190.72 = 5,615.25 : x
  2. Step 2: Convert to fraction form
    11,460.21/17,190.72 = 5,615.25/x
  3. Step 3: Cross multiply
    11,460.21x = 17,190.72 × 5,615.25
  4. Step 4: Simplify right side
    11,460.21x = 96,530,190.48
  5. Step 5: Solve for x
    x = 96,530,190.48/11,460.21
  6. Step 6: Final answer
    x = 8,423.07

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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.