Home / 9,578.25-13,217.99-5,386.50

Finding the Fourth Proportional to 9,578.25, 13,217.99 and 5,386.50

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Solution

The fourth proportional to 9,578.25, 13,217.99 and 5,386.50 is: 7,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.25 : 13,217.99 = 5,386.50 : x
  2. Step 2: Convert to fraction form
    9,578.25/13,217.99 = 5,386.50/x
  3. Step 3: Cross multiply
    9,578.25x = 13,217.99 × 5,386.50
  4. Step 4: Simplify right side
    9,578.25x = 71,198,676.20
  5. Step 5: Solve for x
    x = 71,198,676.20/9,578.25
  6. Step 6: Final answer
    x = 7,433.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.