Home / 7,139.58-10,711.73-4,504.04

Finding the Fourth Proportional to 7,139.58, 10,711.73 and 4,504.04

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Solution

The fourth proportional to 7,139.58, 10,711.73 and 4,504.04 is: 6,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139.58 : 10,711.73 = 4,504.04 : x
  2. Step 2: Convert to fraction form
    7,139.58/10,711.73 = 4,504.04/x
  3. Step 3: Cross multiply
    7,139.58x = 10,711.73 × 4,504.04
  4. Step 4: Simplify right side
    7,139.58x = 48,246,098.43
  5. Step 5: Solve for x
    x = 48,246,098.43/7,139.58
  6. Step 6: Final answer
    x = 6,757.55

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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.