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Finding the Fourth Proportional to 11,153.86, 16,725.02 and 5,891.68

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Solution

The fourth proportional to 11,153.86, 16,725.02 and 5,891.68 is: 8,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.86 : 16,725.02 = 5,891.68 : x
  2. Step 2: Convert to fraction form
    11,153.86/16,725.02 = 5,891.68/x
  3. Step 3: Cross multiply
    11,153.86x = 16,725.02 × 5,891.68
  4. Step 4: Simplify right side
    11,153.86x = 98,538,465.83
  5. Step 5: Solve for x
    x = 98,538,465.83/11,153.86
  6. Step 6: Final answer
    x = 8,834.47

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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.