Home / 8,716.24-13,076.56-3,784.68

Finding the Fourth Proportional to 8,716.24, 13,076.56 and 3,784.68

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Solution

The fourth proportional to 8,716.24, 13,076.56 and 3,784.68 is: 5,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.24 : 13,076.56 = 3,784.68 : x
  2. Step 2: Convert to fraction form
    8,716.24/13,076.56 = 3,784.68/x
  3. Step 3: Cross multiply
    8,716.24x = 13,076.56 × 3,784.68
  4. Step 4: Simplify right side
    8,716.24x = 49,490,595.10
  5. Step 5: Solve for x
    x = 49,490,595.10/8,716.24
  6. Step 6: Final answer
    x = 5,677.98

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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.