Home / 11,575.87-15,974.72-6,270.68

Finding the Fourth Proportional to 11,575.87, 15,974.72 and 6,270.68

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Solution

The fourth proportional to 11,575.87, 15,974.72 and 6,270.68 is: 8,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.87 : 15,974.72 = 6,270.68 : x
  2. Step 2: Convert to fraction form
    11,575.87/15,974.72 = 6,270.68/x
  3. Step 3: Cross multiply
    11,575.87x = 15,974.72 × 6,270.68
  4. Step 4: Simplify right side
    11,575.87x = 100,172,372.89
  5. Step 5: Solve for x
    x = 100,172,372.89/11,575.87
  6. Step 6: Final answer
    x = 8,653.55

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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.