Home / 7,582.12-11,373.18-2,961.88

Finding the Fourth Proportional to 7,582.12, 11,373.18 and 2,961.88

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Solution

The fourth proportional to 7,582.12, 11,373.18 and 2,961.88 is: 4,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.12 : 11,373.18 = 2,961.88 : x
  2. Step 2: Convert to fraction form
    7,582.12/11,373.18 = 2,961.88/x
  3. Step 3: Cross multiply
    7,582.12x = 11,373.18 × 2,961.88
  4. Step 4: Simplify right side
    7,582.12x = 33,685,922.70
  5. Step 5: Solve for x
    x = 33,685,922.70/7,582.12
  6. Step 6: Final answer
    x = 4,442.81

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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.