Home / 11,818.90-17,725.92-5,576.24

Finding the Fourth Proportional to 11,818.90, 17,725.92 and 5,576.24

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Solution

The fourth proportional to 11,818.90, 17,725.92 and 5,576.24 is: 8,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.90 : 17,725.92 = 5,576.24 : x
  2. Step 2: Convert to fraction form
    11,818.90/17,725.92 = 5,576.24/x
  3. Step 3: Cross multiply
    11,818.90x = 17,725.92 × 5,576.24
  4. Step 4: Simplify right side
    11,818.90x = 98,843,984.14
  5. Step 5: Solve for x
    x = 98,843,984.14/11,818.90
  6. Step 6: Final answer
    x = 8,363.21

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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.