Home / 11,513.48-17,266.55-4,491.79

Finding the Fourth Proportional to 11,513.48, 17,266.55 and 4,491.79

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Solution

The fourth proportional to 11,513.48, 17,266.55 and 4,491.79 is: 6,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.48 : 17,266.55 = 4,491.79 : x
  2. Step 2: Convert to fraction form
    11,513.48/17,266.55 = 4,491.79/x
  3. Step 3: Cross multiply
    11,513.48x = 17,266.55 × 4,491.79
  4. Step 4: Simplify right side
    11,513.48x = 77,557,676.27
  5. Step 5: Solve for x
    x = 77,557,676.27/11,513.48
  6. Step 6: Final answer
    x = 6,736.25

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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.