Home / 7,831.49-11,746.67-3,672.44

Finding the Fourth Proportional to 7,831.49, 11,746.67 and 3,672.44

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Solution

The fourth proportional to 7,831.49, 11,746.67 and 3,672.44 is: 5,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.49 : 11,746.67 = 3,672.44 : x
  2. Step 2: Convert to fraction form
    7,831.49/11,746.67 = 3,672.44/x
  3. Step 3: Cross multiply
    7,831.49x = 11,746.67 × 3,672.44
  4. Step 4: Simplify right side
    7,831.49x = 43,138,928.39
  5. Step 5: Solve for x
    x = 43,138,928.39/7,831.49
  6. Step 6: Final answer
    x = 5,508.40

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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.