Home / 11,970.12-17,956.14-3,204.96

Finding the Fourth Proportional to 11,970.12, 17,956.14 and 3,204.96

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Solution

The fourth proportional to 11,970.12, 17,956.14 and 3,204.96 is: 4,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.12 : 17,956.14 = 3,204.96 : x
  2. Step 2: Convert to fraction form
    11,970.12/17,956.14 = 3,204.96/x
  3. Step 3: Cross multiply
    11,970.12x = 17,956.14 × 3,204.96
  4. Step 4: Simplify right side
    11,970.12x = 57,548,710.45
  5. Step 5: Solve for x
    x = 57,548,710.45/11,970.12
  6. Step 6: Final answer
    x = 4,807.70

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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.