Home / 7,454.72-11,183.45-3,559.13

Finding the Fourth Proportional to 7,454.72, 11,183.45 and 3,559.13

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Solution

The fourth proportional to 7,454.72, 11,183.45 and 3,559.13 is: 5,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.72 : 11,183.45 = 3,559.13 : x
  2. Step 2: Convert to fraction form
    7,454.72/11,183.45 = 3,559.13/x
  3. Step 3: Cross multiply
    7,454.72x = 11,183.45 × 3,559.13
  4. Step 4: Simplify right side
    7,454.72x = 39,803,278.69
  5. Step 5: Solve for x
    x = 39,803,278.69/7,454.72
  6. Step 6: Final answer
    x = 5,339.34

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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.