Home / 7,451.98-11,160.94-3,559.12

Finding the Fourth Proportional to 7,451.98, 11,160.94 and 3,559.12

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Solution

The fourth proportional to 7,451.98, 11,160.94 and 3,559.12 is: 5,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.98 : 11,160.94 = 3,559.12 : x
  2. Step 2: Convert to fraction form
    7,451.98/11,160.94 = 3,559.12/x
  3. Step 3: Cross multiply
    7,451.98x = 11,160.94 × 3,559.12
  4. Step 4: Simplify right side
    7,451.98x = 39,723,124.77
  5. Step 5: Solve for x
    x = 39,723,124.77/7,451.98
  6. Step 6: Final answer
    x = 5,330.55

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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.