Home / 7,932.23-11,901.09-2,385.45

Finding the Fourth Proportional to 7,932.23, 11,901.09 and 2,385.45

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Solution

The fourth proportional to 7,932.23, 11,901.09 and 2,385.45 is: 3,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.23 : 11,901.09 = 2,385.45 : x
  2. Step 2: Convert to fraction form
    7,932.23/11,901.09 = 2,385.45/x
  3. Step 3: Cross multiply
    7,932.23x = 11,901.09 × 2,385.45
  4. Step 4: Simplify right side
    7,932.23x = 28,389,464.09
  5. Step 5: Solve for x
    x = 28,389,464.09/7,932.23
  6. Step 6: Final answer
    x = 3,579.00

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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.