Home / 6,712.20-10,068.30-4,743.90

Finding the Fourth Proportional to 6,712.20, 10,068.30 and 4,743.90

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Solution

The fourth proportional to 6,712.20, 10,068.30 and 4,743.90 is: 7,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.20 : 10,068.30 = 4,743.90 : x
  2. Step 2: Convert to fraction form
    6,712.20/10,068.30 = 4,743.90/x
  3. Step 3: Cross multiply
    6,712.20x = 10,068.30 × 4,743.90
  4. Step 4: Simplify right side
    6,712.20x = 47,763,008.37
  5. Step 5: Solve for x
    x = 47,763,008.37/6,712.20
  6. Step 6: Final answer
    x = 7,115.85

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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.