Home / 8,780.46-13,171.56-3,232.51

Finding the Fourth Proportional to 8,780.46, 13,171.56 and 3,232.51

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Solution

The fourth proportional to 8,780.46, 13,171.56 and 3,232.51 is: 4,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.46 : 13,171.56 = 3,232.51 : x
  2. Step 2: Convert to fraction form
    8,780.46/13,171.56 = 3,232.51/x
  3. Step 3: Cross multiply
    8,780.46x = 13,171.56 × 3,232.51
  4. Step 4: Simplify right side
    8,780.46x = 42,577,197.41
  5. Step 5: Solve for x
    x = 42,577,197.41/8,780.46
  6. Step 6: Final answer
    x = 4,849.08

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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.