Home / 11,463.40-17,194.51-3,142.81

Finding the Fourth Proportional to 11,463.40, 17,194.51 and 3,142.81

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Solution

The fourth proportional to 11,463.40, 17,194.51 and 3,142.81 is: 4,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.40 : 17,194.51 = 3,142.81 : x
  2. Step 2: Convert to fraction form
    11,463.40/17,194.51 = 3,142.81/x
  3. Step 3: Cross multiply
    11,463.40x = 17,194.51 × 3,142.81
  4. Step 4: Simplify right side
    11,463.40x = 54,039,077.97
  5. Step 5: Solve for x
    x = 54,039,077.97/11,463.40
  6. Step 6: Final answer
    x = 4,714.05

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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.