Home / 11,273.07-16,909.61-8,353.43

Finding the Fourth Proportional to 11,273.07, 16,909.61 and 8,353.43

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Solution

The fourth proportional to 11,273.07, 16,909.61 and 8,353.43 is: 12,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.07 : 16,909.61 = 8,353.43 : x
  2. Step 2: Convert to fraction form
    11,273.07/16,909.61 = 8,353.43/x
  3. Step 3: Cross multiply
    11,273.07x = 16,909.61 × 8,353.43
  4. Step 4: Simplify right side
    11,273.07x = 141,253,227.55
  5. Step 5: Solve for x
    x = 141,253,227.55/11,273.07
  6. Step 6: Final answer
    x = 12,530.14

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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.