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Finding the Fourth Proportional to 9,299.52, 12,831.48 and 6,936.48

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Solution

The fourth proportional to 9,299.52, 12,831.48 and 6,936.48 is: 9,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.52 : 12,831.48 = 6,936.48 : x
  2. Step 2: Convert to fraction form
    9,299.52/12,831.48 = 6,936.48/x
  3. Step 3: Cross multiply
    9,299.52x = 12,831.48 × 6,936.48
  4. Step 4: Simplify right side
    9,299.52x = 89,005,304.39
  5. Step 5: Solve for x
    x = 89,005,304.39/9,299.52
  6. Step 6: Final answer
    x = 9,570.96

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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.