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Finding the Fourth Proportional to 9,248.48, 12,821.42 and 8,749.52

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Solution

The fourth proportional to 9,248.48, 12,821.42 and 8,749.52 is: 12,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.48 : 12,821.42 = 8,749.52 : x
  2. Step 2: Convert to fraction form
    9,248.48/12,821.42 = 8,749.52/x
  3. Step 3: Cross multiply
    9,248.48x = 12,821.42 × 8,749.52
  4. Step 4: Simplify right side
    9,248.48x = 112,181,270.72
  5. Step 5: Solve for x
    x = 112,181,270.72/9,248.48
  6. Step 6: Final answer
    x = 12,129.70

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.