Home / 7,831.60-11,748.96-3,676.24

Finding the Fourth Proportional to 7,831.60, 11,748.96 and 3,676.24

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Solution

The fourth proportional to 7,831.60, 11,748.96 and 3,676.24 is: 5,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.60 : 11,748.96 = 3,676.24 : x
  2. Step 2: Convert to fraction form
    7,831.60/11,748.96 = 3,676.24/x
  3. Step 3: Cross multiply
    7,831.60x = 11,748.96 × 3,676.24
  4. Step 4: Simplify right side
    7,831.60x = 43,191,996.71
  5. Step 5: Solve for x
    x = 43,191,996.71/7,831.60
  6. Step 6: Final answer
    x = 5,515.09

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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.