Home / 12,267.45-16,923.42-7,228.23

Finding the Fourth Proportional to 12,267.45, 16,923.42 and 7,228.23

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Solution

The fourth proportional to 12,267.45, 16,923.42 and 7,228.23 is: 9,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.45 : 16,923.42 = 7,228.23 : x
  2. Step 2: Convert to fraction form
    12,267.45/16,923.42 = 7,228.23/x
  3. Step 3: Cross multiply
    12,267.45x = 16,923.42 × 7,228.23
  4. Step 4: Simplify right side
    12,267.45x = 122,326,372.15
  5. Step 5: Solve for x
    x = 122,326,372.15/12,267.45
  6. Step 6: Final answer
    x = 9,971.62

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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.