Home / 11,818.13-17,725.37-3,924.07

Finding the Fourth Proportional to 11,818.13, 17,725.37 and 3,924.07

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Solution

The fourth proportional to 11,818.13, 17,725.37 and 3,924.07 is: 5,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.13 : 17,725.37 = 3,924.07 : x
  2. Step 2: Convert to fraction form
    11,818.13/17,725.37 = 3,924.07/x
  3. Step 3: Cross multiply
    11,818.13x = 17,725.37 × 3,924.07
  4. Step 4: Simplify right side
    11,818.13x = 69,555,528.72
  5. Step 5: Solve for x
    x = 69,555,528.72/11,818.13
  6. Step 6: Final answer
    x = 5,885.50

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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.