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Finding the Fourth Proportional to 9,492.90, 13,099.62 and 5,243.86

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Solution

The fourth proportional to 9,492.90, 13,099.62 and 5,243.86 is: 7,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.90 : 13,099.62 = 5,243.86 : x
  2. Step 2: Convert to fraction form
    9,492.90/13,099.62 = 5,243.86/x
  3. Step 3: Cross multiply
    9,492.90x = 13,099.62 × 5,243.86
  4. Step 4: Simplify right side
    9,492.90x = 68,692,573.33
  5. Step 5: Solve for x
    x = 68,692,573.33/9,492.90
  6. Step 6: Final answer
    x = 7,236.21

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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.