Home / 7,932.40-11,897.65-2,089.47

Finding the Fourth Proportional to 7,932.40, 11,897.65 and 2,089.47

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Solution

The fourth proportional to 7,932.40, 11,897.65 and 2,089.47 is: 3,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.40 : 11,897.65 = 2,089.47 : x
  2. Step 2: Convert to fraction form
    7,932.40/11,897.65 = 2,089.47/x
  3. Step 3: Cross multiply
    7,932.40x = 11,897.65 × 2,089.47
  4. Step 4: Simplify right side
    7,932.40x = 24,859,782.75
  5. Step 5: Solve for x
    x = 24,859,782.75/7,932.40
  6. Step 6: Final answer
    x = 3,133.95

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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.