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Finding the Fourth Proportional to 10,913.01, 16,370.52 and 3,515.73

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Solution

The fourth proportional to 10,913.01, 16,370.52 and 3,515.73 is: 5,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.01 : 16,370.52 = 3,515.73 : x
  2. Step 2: Convert to fraction form
    10,913.01/16,370.52 = 3,515.73/x
  3. Step 3: Cross multiply
    10,913.01x = 16,370.52 × 3,515.73
  4. Step 4: Simplify right side
    10,913.01x = 57,554,328.28
  5. Step 5: Solve for x
    x = 57,554,328.28/10,913.01
  6. Step 6: Final answer
    x = 5,273.92

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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.