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Finding the Fourth Proportional to 10,273.88, 15,395.88 and 8,184.44

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Solution

The fourth proportional to 10,273.88, 15,395.88 and 8,184.44 is: 12,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.88 : 15,395.88 = 8,184.44 : x
  2. Step 2: Convert to fraction form
    10,273.88/15,395.88 = 8,184.44/x
  3. Step 3: Cross multiply
    10,273.88x = 15,395.88 × 8,184.44
  4. Step 4: Simplify right side
    10,273.88x = 126,006,656.11
  5. Step 5: Solve for x
    x = 126,006,656.11/10,273.88
  6. Step 6: Final answer
    x = 12,264.76

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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.