Home / 11,931.44-16,464.94-6,626.14

Finding the Fourth Proportional to 11,931.44, 16,464.94 and 6,626.14

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Solution

The fourth proportional to 11,931.44, 16,464.94 and 6,626.14 is: 9,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.44 : 16,464.94 = 6,626.14 : x
  2. Step 2: Convert to fraction form
    11,931.44/16,464.94 = 6,626.14/x
  3. Step 3: Cross multiply
    11,931.44x = 16,464.94 × 6,626.14
  4. Step 4: Simplify right side
    11,931.44x = 109,098,939.80
  5. Step 5: Solve for x
    x = 109,098,939.80/11,931.44
  6. Step 6: Final answer
    x = 9,143.82

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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.