Home / 7,465.75-11,198.12-5,389.52

Finding the Fourth Proportional to 7,465.75, 11,198.12 and 5,389.52

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Solution

The fourth proportional to 7,465.75, 11,198.12 and 5,389.52 is: 8,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.75 : 11,198.12 = 5,389.52 : x
  2. Step 2: Convert to fraction form
    7,465.75/11,198.12 = 5,389.52/x
  3. Step 3: Cross multiply
    7,465.75x = 11,198.12 × 5,389.52
  4. Step 4: Simplify right side
    7,465.75x = 60,352,408.76
  5. Step 5: Solve for x
    x = 60,352,408.76/7,465.75
  6. Step 6: Final answer
    x = 8,083.91

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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.