Home / 12,176.46-18,265.38-3,412.06

Finding the Fourth Proportional to 12,176.46, 18,265.38 and 3,412.06

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Solution

The fourth proportional to 12,176.46, 18,265.38 and 3,412.06 is: 5,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.46 : 18,265.38 = 3,412.06 : x
  2. Step 2: Convert to fraction form
    12,176.46/18,265.38 = 3,412.06/x
  3. Step 3: Cross multiply
    12,176.46x = 18,265.38 × 3,412.06
  4. Step 4: Simplify right side
    12,176.46x = 62,322,514.02
  5. Step 5: Solve for x
    x = 62,322,514.02/12,176.46
  6. Step 6: Final answer
    x = 5,118.28

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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.