Home / 7,784.29-11,675.22-3,104.92

Finding the Fourth Proportional to 7,784.29, 11,675.22 and 3,104.92

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Solution

The fourth proportional to 7,784.29, 11,675.22 and 3,104.92 is: 4,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.29 : 11,675.22 = 3,104.92 : x
  2. Step 2: Convert to fraction form
    7,784.29/11,675.22 = 3,104.92/x
  3. Step 3: Cross multiply
    7,784.29x = 11,675.22 × 3,104.92
  4. Step 4: Simplify right side
    7,784.29x = 36,250,624.08
  5. Step 5: Solve for x
    x = 36,250,624.08/7,784.29
  6. Step 6: Final answer
    x = 4,656.90

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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.