Home / 7,834.88-11,753.40-3,456.02

Finding the Fourth Proportional to 7,834.88, 11,753.40 and 3,456.02

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Solution

The fourth proportional to 7,834.88, 11,753.40 and 3,456.02 is: 5,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.88 : 11,753.40 = 3,456.02 : x
  2. Step 2: Convert to fraction form
    7,834.88/11,753.40 = 3,456.02/x
  3. Step 3: Cross multiply
    7,834.88x = 11,753.40 × 3,456.02
  4. Step 4: Simplify right side
    7,834.88x = 40,619,985.47
  5. Step 5: Solve for x
    x = 40,619,985.47/7,834.88
  6. Step 6: Final answer
    x = 5,184.51

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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.