Home / 10,728.30-16,092.45-3,332.70

Finding the Fourth Proportional to 10,728.30, 16,092.45 and 3,332.70

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Solution

The fourth proportional to 10,728.30, 16,092.45 and 3,332.70 is: 4,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.30 : 16,092.45 = 3,332.70 : x
  2. Step 2: Convert to fraction form
    10,728.30/16,092.45 = 3,332.70/x
  3. Step 3: Cross multiply
    10,728.30x = 16,092.45 × 3,332.70
  4. Step 4: Simplify right side
    10,728.30x = 53,631,308.12
  5. Step 5: Solve for x
    x = 53,631,308.12/10,728.30
  6. Step 6: Final answer
    x = 4,999.05

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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.