Home / 11,575.99-15,974.95-6,270.81

Finding the Fourth Proportional to 11,575.99, 15,974.95 and 6,270.81

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Solution

The fourth proportional to 11,575.99, 15,974.95 and 6,270.81 is: 8,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.99 : 15,974.95 = 6,270.81 : x
  2. Step 2: Convert to fraction form
    11,575.99/15,974.95 = 6,270.81/x
  3. Step 3: Cross multiply
    11,575.99x = 15,974.95 × 6,270.81
  4. Step 4: Simplify right side
    11,575.99x = 100,175,902.24
  5. Step 5: Solve for x
    x = 100,175,902.24/11,575.99
  6. Step 6: Final answer
    x = 8,653.76

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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.