Home / 11,234.80-16,831.14-9,397.72

Finding the Fourth Proportional to 11,234.80, 16,831.14 and 9,397.72

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Solution

The fourth proportional to 11,234.80, 16,831.14 and 9,397.72 is: 14,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.80 : 16,831.14 = 9,397.72 : x
  2. Step 2: Convert to fraction form
    11,234.80/16,831.14 = 9,397.72/x
  3. Step 3: Cross multiply
    11,234.80x = 16,831.14 × 9,397.72
  4. Step 4: Simplify right side
    11,234.80x = 158,174,341.00
  5. Step 5: Solve for x
    x = 158,174,341.00/11,234.80
  6. Step 6: Final answer
    x = 14,078.96

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Why These Related Problems?

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