Home / 8,949.47-12,350.26-5,223.47

Finding the Fourth Proportional to 8,949.47, 12,350.26 and 5,223.47

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Solution

The fourth proportional to 8,949.47, 12,350.26 and 5,223.47 is: 7,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.47 : 12,350.26 = 5,223.47 : x
  2. Step 2: Convert to fraction form
    8,949.47/12,350.26 = 5,223.47/x
  3. Step 3: Cross multiply
    8,949.47x = 12,350.26 × 5,223.47
  4. Step 4: Simplify right side
    8,949.47x = 64,511,212.60
  5. Step 5: Solve for x
    x = 64,511,212.60/8,949.47
  6. Step 6: Final answer
    x = 7,208.38

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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.