Home / 7,630.12-11,434.14-3,730.12

Finding the Fourth Proportional to 7,630.12, 11,434.14 and 3,730.12

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Solution

The fourth proportional to 7,630.12, 11,434.14 and 3,730.12 is: 5,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.12 : 11,434.14 = 3,730.12 : x
  2. Step 2: Convert to fraction form
    7,630.12/11,434.14 = 3,730.12/x
  3. Step 3: Cross multiply
    7,630.12x = 11,434.14 × 3,730.12
  4. Step 4: Simplify right side
    7,630.12x = 42,650,714.30
  5. Step 5: Solve for x
    x = 42,650,714.30/7,630.12
  6. Step 6: Final answer
    x = 5,589.78

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1.5x scale

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.