Home / 11,491.26-17,212.65-5,256.51

Finding the Fourth Proportional to 11,491.26, 17,212.65 and 5,256.51

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Solution

The fourth proportional to 11,491.26, 17,212.65 and 5,256.51 is: 7,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.26 : 17,212.65 = 5,256.51 : x
  2. Step 2: Convert to fraction form
    11,491.26/17,212.65 = 5,256.51/x
  3. Step 3: Cross multiply
    11,491.26x = 17,212.65 × 5,256.51
  4. Step 4: Simplify right side
    11,491.26x = 90,478,466.85
  5. Step 5: Solve for x
    x = 90,478,466.85/11,491.26
  6. Step 6: Final answer
    x = 7,873.68

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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.