Home / 7,723.92-11,585.12-3,830.88

Finding the Fourth Proportional to 7,723.92, 11,585.12 and 3,830.88

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Solution

The fourth proportional to 7,723.92, 11,585.12 and 3,830.88 is: 5,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.92 : 11,585.12 = 3,830.88 : x
  2. Step 2: Convert to fraction form
    7,723.92/11,585.12 = 3,830.88/x
  3. Step 3: Cross multiply
    7,723.92x = 11,585.12 × 3,830.88
  4. Step 4: Simplify right side
    7,723.92x = 44,381,204.51
  5. Step 5: Solve for x
    x = 44,381,204.51/7,723.92
  6. Step 6: Final answer
    x = 5,745.94

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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.