Home / 12,588.99-17,372.43-6,923.73

Finding the Fourth Proportional to 12,588.99, 17,372.43 and 6,923.73

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Solution

The fourth proportional to 12,588.99, 17,372.43 and 6,923.73 is: 9,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.99 : 17,372.43 = 6,923.73 : x
  2. Step 2: Convert to fraction form
    12,588.99/17,372.43 = 6,923.73/x
  3. Step 3: Cross multiply
    12,588.99x = 17,372.43 × 6,923.73
  4. Step 4: Simplify right side
    12,588.99x = 120,282,032.07
  5. Step 5: Solve for x
    x = 120,282,032.07/12,588.99
  6. Step 6: Final answer
    x = 9,554.54

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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.