Home / 7,834.40-11,753.77-3,618.94

Finding the Fourth Proportional to 7,834.40, 11,753.77 and 3,618.94

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Solution

The fourth proportional to 7,834.40, 11,753.77 and 3,618.94 is: 5,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.40 : 11,753.77 = 3,618.94 : x
  2. Step 2: Convert to fraction form
    7,834.40/11,753.77 = 3,618.94/x
  3. Step 3: Cross multiply
    7,834.40x = 11,753.77 × 3,618.94
  4. Step 4: Simplify right side
    7,834.40x = 42,536,188.40
  5. Step 5: Solve for x
    x = 42,536,188.40/7,834.40
  6. Step 6: Final answer
    x = 5,429.41

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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.