Home / 11,831.10-17,709.74-8,714.63

Finding the Fourth Proportional to 11,831.10, 17,709.74 and 8,714.63

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Solution

The fourth proportional to 11,831.10, 17,709.74 and 8,714.63 is: 13,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.10 : 17,709.74 = 8,714.63 : x
  2. Step 2: Convert to fraction form
    11,831.10/17,709.74 = 8,714.63/x
  3. Step 3: Cross multiply
    11,831.10x = 17,709.74 × 8,714.63
  4. Step 4: Simplify right side
    11,831.10x = 154,333,699.37
  5. Step 5: Solve for x
    x = 154,333,699.37/11,831.10
  6. Step 6: Final answer
    x = 13,044.75

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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.