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Finding the Fourth Proportional to 9,310.80, 13,471.50 and 9,310.80

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Solution

The fourth proportional to 9,310.80, 13,471.50 and 9,310.80 is: 13,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.80 : 13,471.50 = 9,310.80 : x
  2. Step 2: Convert to fraction form
    9,310.80/13,471.50 = 9,310.80/x
  3. Step 3: Cross multiply
    9,310.80x = 13,471.50 × 9,310.80
  4. Step 4: Simplify right side
    9,310.80x = 125,430,442.20
  5. Step 5: Solve for x
    x = 125,430,442.20/9,310.80
  6. Step 6: Final answer
    x = 13,471.50

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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.