Home / 11,168.38-16,752.94-5,618.69

Finding the Fourth Proportional to 11,168.38, 16,752.94 and 5,618.69

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Solution

The fourth proportional to 11,168.38, 16,752.94 and 5,618.69 is: 8,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.38 : 16,752.94 = 5,618.69 : x
  2. Step 2: Convert to fraction form
    11,168.38/16,752.94 = 5,618.69/x
  3. Step 3: Cross multiply
    11,168.38x = 16,752.94 × 5,618.69
  4. Step 4: Simplify right side
    11,168.38x = 94,129,478.64
  5. Step 5: Solve for x
    x = 94,129,478.64/11,168.38
  6. Step 6: Final answer
    x = 8,428.21

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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.