Home / 12,263.70-18,381.15-5,675.97

Finding the Fourth Proportional to 12,263.70, 18,381.15 and 5,675.97

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Solution

The fourth proportional to 12,263.70, 18,381.15 and 5,675.97 is: 8,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.70 : 18,381.15 = 5,675.97 : x
  2. Step 2: Convert to fraction form
    12,263.70/18,381.15 = 5,675.97/x
  3. Step 3: Cross multiply
    12,263.70x = 18,381.15 × 5,675.97
  4. Step 4: Simplify right side
    12,263.70x = 104,330,855.97
  5. Step 5: Solve for x
    x = 104,330,855.97/12,263.70
  6. Step 6: Final answer
    x = 8,507.29

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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.