Home / 10,149.05-15,226.65-7,193.21

Finding the Fourth Proportional to 10,149.05, 15,226.65 and 7,193.21

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Solution

The fourth proportional to 10,149.05, 15,226.65 and 7,193.21 is: 10,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.05 : 15,226.65 = 7,193.21 : x
  2. Step 2: Convert to fraction form
    10,149.05/15,226.65 = 7,193.21/x
  3. Step 3: Cross multiply
    10,149.05x = 15,226.65 × 7,193.21
  4. Step 4: Simplify right side
    10,149.05x = 109,528,414.91
  5. Step 5: Solve for x
    x = 109,528,414.91/10,149.05
  6. Step 6: Final answer
    x = 10,791.98

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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.