Home / 11,514.64-17,275.62-4,118.94

Finding the Fourth Proportional to 11,514.64, 17,275.62 and 4,118.94

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Solution

The fourth proportional to 11,514.64, 17,275.62 and 4,118.94 is: 6,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.64 : 17,275.62 = 4,118.94 : x
  2. Step 2: Convert to fraction form
    11,514.64/17,275.62 = 4,118.94/x
  3. Step 3: Cross multiply
    11,514.64x = 17,275.62 × 4,118.94
  4. Step 4: Simplify right side
    11,514.64x = 71,157,242.24
  5. Step 5: Solve for x
    x = 71,157,242.24/11,514.64
  6. Step 6: Final answer
    x = 6,179.72

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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.