Home / 12,589.07-17,372.55-6,923.84

Finding the Fourth Proportional to 12,589.07, 17,372.55 and 6,923.84

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Solution

The fourth proportional to 12,589.07, 17,372.55 and 6,923.84 is: 9,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.07 : 17,372.55 = 6,923.84 : x
  2. Step 2: Convert to fraction form
    12,589.07/17,372.55 = 6,923.84/x
  3. Step 3: Cross multiply
    12,589.07x = 17,372.55 × 6,923.84
  4. Step 4: Simplify right side
    12,589.07x = 120,284,669.73
  5. Step 5: Solve for x
    x = 120,284,669.73/12,589.07
  6. Step 6: Final answer
    x = 9,554.69

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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.