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Finding the Fourth Proportional to 11,435.68, 17,139.84 and 5,891.68

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Solution

The fourth proportional to 11,435.68, 17,139.84 and 5,891.68 is: 8,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.68 : 17,139.84 = 5,891.68 : x
  2. Step 2: Convert to fraction form
    11,435.68/17,139.84 = 5,891.68/x
  3. Step 3: Cross multiply
    11,435.68x = 17,139.84 × 5,891.68
  4. Step 4: Simplify right side
    11,435.68x = 100,982,452.53
  5. Step 5: Solve for x
    x = 100,982,452.53/11,435.68
  6. Step 6: Final answer
    x = 8,830.47

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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.