Home / 8,627.88-11,911.92-5,974.32

Finding the Fourth Proportional to 8,627.88, 11,911.92 and 5,974.32

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Solution

The fourth proportional to 8,627.88, 11,911.92 and 5,974.32 is: 8,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.88 : 11,911.92 = 5,974.32 : x
  2. Step 2: Convert to fraction form
    8,627.88/11,911.92 = 5,974.32/x
  3. Step 3: Cross multiply
    8,627.88x = 11,911.92 × 5,974.32
  4. Step 4: Simplify right side
    8,627.88x = 71,165,621.89
  5. Step 5: Solve for x
    x = 71,165,621.89/8,627.88
  6. Step 6: Final answer
    x = 8,248.33

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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.