Home / 11,618.52-17,412.66-4,684.92

Finding the Fourth Proportional to 11,618.52, 17,412.66 and 4,684.92

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Solution

The fourth proportional to 11,618.52, 17,412.66 and 4,684.92 is: 7,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.52 : 17,412.66 = 4,684.92 : x
  2. Step 2: Convert to fraction form
    11,618.52/17,412.66 = 4,684.92/x
  3. Step 3: Cross multiply
    11,618.52x = 17,412.66 × 4,684.92
  4. Step 4: Simplify right side
    11,618.52x = 81,576,919.09
  5. Step 5: Solve for x
    x = 81,576,919.09/11,618.52
  6. Step 6: Final answer
    x = 7,021.28

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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.