Home / 11,943.68-17,915.92-5,704.40

Finding the Fourth Proportional to 11,943.68, 17,915.92 and 5,704.40

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Solution

The fourth proportional to 11,943.68, 17,915.92 and 5,704.40 is: 8,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.68 : 17,915.92 = 5,704.40 : x
  2. Step 2: Convert to fraction form
    11,943.68/17,915.92 = 5,704.40/x
  3. Step 3: Cross multiply
    11,943.68x = 17,915.92 × 5,704.40
  4. Step 4: Simplify right side
    11,943.68x = 102,199,574.05
  5. Step 5: Solve for x
    x = 102,199,574.05/11,943.68
  6. Step 6: Final answer
    x = 8,556.79

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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.