Home / 11,457.25-17,188.56-3,559.36

Finding the Fourth Proportional to 11,457.25, 17,188.56 and 3,559.36

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Solution

The fourth proportional to 11,457.25, 17,188.56 and 3,559.36 is: 5,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.25 : 17,188.56 = 3,559.36 : x
  2. Step 2: Convert to fraction form
    11,457.25/17,188.56 = 3,559.36/x
  3. Step 3: Cross multiply
    11,457.25x = 17,188.56 × 3,559.36
  4. Step 4: Simplify right side
    11,457.25x = 61,180,255.12
  5. Step 5: Solve for x
    x = 61,180,255.12/11,457.25
  6. Step 6: Final answer
    x = 5,339.87

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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.