Home / 11,425.25-17,124.21-6,488.10

Finding the Fourth Proportional to 11,425.25, 17,124.21 and 6,488.10

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Solution

The fourth proportional to 11,425.25, 17,124.21 and 6,488.10 is: 9,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.25 : 17,124.21 = 6,488.10 : x
  2. Step 2: Convert to fraction form
    11,425.25/17,124.21 = 6,488.10/x
  3. Step 3: Cross multiply
    11,425.25x = 17,124.21 × 6,488.10
  4. Step 4: Simplify right side
    11,425.25x = 111,103,586.90
  5. Step 5: Solve for x
    x = 111,103,586.90/11,425.25
  6. Step 6: Final answer
    x = 9,724.39

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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.