Home / 11,453.10-17,190.45-7,079.10

Finding the Fourth Proportional to 11,453.10, 17,190.45 and 7,079.10

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Solution

The fourth proportional to 11,453.10, 17,190.45 and 7,079.10 is: 10,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.10 : 17,190.45 = 7,079.10 : x
  2. Step 2: Convert to fraction form
    11,453.10/17,190.45 = 7,079.10/x
  3. Step 3: Cross multiply
    11,453.10x = 17,190.45 × 7,079.10
  4. Step 4: Simplify right side
    11,453.10x = 121,692,914.60
  5. Step 5: Solve for x
    x = 121,692,914.60/11,453.10
  6. Step 6: Final answer
    x = 10,625.33

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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.