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Finding the Fourth Proportional to 10,795.80, 16,171.02 and 4,957.32

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Solution

The fourth proportional to 10,795.80, 16,171.02 and 4,957.32 is: 7,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.80 : 16,171.02 = 4,957.32 : x
  2. Step 2: Convert to fraction form
    10,795.80/16,171.02 = 4,957.32/x
  3. Step 3: Cross multiply
    10,795.80x = 16,171.02 × 4,957.32
  4. Step 4: Simplify right side
    10,795.80x = 80,164,920.87
  5. Step 5: Solve for x
    x = 80,164,920.87/10,795.80
  6. Step 6: Final answer
    x = 7,425.57

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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.