Home / 12,226.26-16,874.55-7,125.15

Finding the Fourth Proportional to 12,226.26, 16,874.55 and 7,125.15

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Solution

The fourth proportional to 12,226.26, 16,874.55 and 7,125.15 is: 9,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.26 : 16,874.55 = 7,125.15 : x
  2. Step 2: Convert to fraction form
    12,226.26/16,874.55 = 7,125.15/x
  3. Step 3: Cross multiply
    12,226.26x = 16,874.55 × 7,125.15
  4. Step 4: Simplify right side
    12,226.26x = 120,233,699.93
  5. Step 5: Solve for x
    x = 120,233,699.93/12,226.26
  6. Step 6: Final answer
    x = 9,834.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.