Home / 7,934.76-11,903.36-2,387.37

Finding the Fourth Proportional to 7,934.76, 11,903.36 and 2,387.37

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Solution

The fourth proportional to 7,934.76, 11,903.36 and 2,387.37 is: 3,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.76 : 11,903.36 = 2,387.37 : x
  2. Step 2: Convert to fraction form
    7,934.76/11,903.36 = 2,387.37/x
  3. Step 3: Cross multiply
    7,934.76x = 11,903.36 × 2,387.37
  4. Step 4: Simplify right side
    7,934.76x = 28,417,757.26
  5. Step 5: Solve for x
    x = 28,417,757.26/7,934.76
  6. Step 6: Final answer
    x = 3,581.43

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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.