Home / 12,175.14-18,267.15-5,156.94

Finding the Fourth Proportional to 12,175.14, 18,267.15 and 5,156.94

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Solution

The fourth proportional to 12,175.14, 18,267.15 and 5,156.94 is: 7,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.14 : 18,267.15 = 5,156.94 : x
  2. Step 2: Convert to fraction form
    12,175.14/18,267.15 = 5,156.94/x
  3. Step 3: Cross multiply
    12,175.14x = 18,267.15 × 5,156.94
  4. Step 4: Simplify right side
    12,175.14x = 94,202,596.52
  5. Step 5: Solve for x
    x = 94,202,596.52/12,175.14
  6. Step 6: Final answer
    x = 7,737.29

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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.