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Finding the Fourth Proportional to 8,354.95, 12,512.64 and 7,253.32

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Solution

The fourth proportional to 8,354.95, 12,512.64 and 7,253.32 is: 10,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.95 : 12,512.64 = 7,253.32 : x
  2. Step 2: Convert to fraction form
    8,354.95/12,512.64 = 7,253.32/x
  3. Step 3: Cross multiply
    8,354.95x = 12,512.64 × 7,253.32
  4. Step 4: Simplify right side
    8,354.95x = 90,758,205.94
  5. Step 5: Solve for x
    x = 90,758,205.94/8,354.95
  6. Step 6: Final answer
    x = 10,862.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.