Home / 7,452.12-11,171.68-4,166.76

Finding the Fourth Proportional to 7,452.12, 11,171.68 and 4,166.76

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Solution

The fourth proportional to 7,452.12, 11,171.68 and 4,166.76 is: 6,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.12 : 11,171.68 = 4,166.76 : x
  2. Step 2: Convert to fraction form
    7,452.12/11,171.68 = 4,166.76/x
  3. Step 3: Cross multiply
    7,452.12x = 11,171.68 × 4,166.76
  4. Step 4: Simplify right side
    7,452.12x = 46,549,709.36
  5. Step 5: Solve for x
    x = 46,549,709.36/7,452.12
  6. Step 6: Final answer
    x = 6,246.51

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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.