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Finding the Fourth Proportional to 9,273.86, 12,799.22 and 5,295.20

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Solution

The fourth proportional to 9,273.86, 12,799.22 and 5,295.20 is: 7,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.86 : 12,799.22 = 5,295.20 : x
  2. Step 2: Convert to fraction form
    9,273.86/12,799.22 = 5,295.20/x
  3. Step 3: Cross multiply
    9,273.86x = 12,799.22 × 5,295.20
  4. Step 4: Simplify right side
    9,273.86x = 67,774,339.27
  5. Step 5: Solve for x
    x = 67,774,339.27/9,273.86
  6. Step 6: Final answer
    x = 7,308.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.