Home / 11,768.81-17,653.21-4,375.13

Finding the Fourth Proportional to 11,768.81, 17,653.21 and 4,375.13

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Solution

The fourth proportional to 11,768.81, 17,653.21 and 4,375.13 is: 6,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.81 : 17,653.21 = 4,375.13 : x
  2. Step 2: Convert to fraction form
    11,768.81/17,653.21 = 4,375.13/x
  3. Step 3: Cross multiply
    11,768.81x = 17,653.21 × 4,375.13
  4. Step 4: Simplify right side
    11,768.81x = 77,234,989.46
  5. Step 5: Solve for x
    x = 77,234,989.46/11,768.81
  6. Step 6: Final answer
    x = 6,562.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.