Home / 7,983.05-11,973.06-2,359.50

Finding the Fourth Proportional to 7,983.05, 11,973.06 and 2,359.50

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Solution

The fourth proportional to 7,983.05, 11,973.06 and 2,359.50 is: 3,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.05 : 11,973.06 = 2,359.50 : x
  2. Step 2: Convert to fraction form
    7,983.05/11,973.06 = 2,359.50/x
  3. Step 3: Cross multiply
    7,983.05x = 11,973.06 × 2,359.50
  4. Step 4: Simplify right side
    7,983.05x = 28,250,435.07
  5. Step 5: Solve for x
    x = 28,250,435.07/7,983.05
  6. Step 6: Final answer
    x = 3,538.80

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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.