Home / 11,609.04-16,013.52-10,831.44

Finding the Fourth Proportional to 11,609.04, 16,013.52 and 10,831.44

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Solution

The fourth proportional to 11,609.04, 16,013.52 and 10,831.44 is: 14,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.04 : 16,013.52 = 10,831.44 : x
  2. Step 2: Convert to fraction form
    11,609.04/16,013.52 = 10,831.44/x
  3. Step 3: Cross multiply
    11,609.04x = 16,013.52 × 10,831.44
  4. Step 4: Simplify right side
    11,609.04x = 173,449,481.07
  5. Step 5: Solve for x
    x = 173,449,481.07/11,609.04
  6. Step 6: Final answer
    x = 14,940.90

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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.