Home / 7,645.05-11,452.17-4,861.75

Finding the Fourth Proportional to 7,645.05, 11,452.17 and 4,861.75

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Solution

The fourth proportional to 7,645.05, 11,452.17 and 4,861.75 is: 7,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.05 : 11,452.17 = 4,861.75 : x
  2. Step 2: Convert to fraction form
    7,645.05/11,452.17 = 4,861.75/x
  3. Step 3: Cross multiply
    7,645.05x = 11,452.17 × 4,861.75
  4. Step 4: Simplify right side
    7,645.05x = 55,677,587.50
  5. Step 5: Solve for x
    x = 55,677,587.50/7,645.05
  6. Step 6: Final answer
    x = 7,282.83

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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.