Home / 12,448.97-18,666.98-3,682.70

Finding the Fourth Proportional to 12,448.97, 18,666.98 and 3,682.70

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Solution

The fourth proportional to 12,448.97, 18,666.98 and 3,682.70 is: 5,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.97 : 18,666.98 = 3,682.70 : x
  2. Step 2: Convert to fraction form
    12,448.97/18,666.98 = 3,682.70/x
  3. Step 3: Cross multiply
    12,448.97x = 18,666.98 × 3,682.70
  4. Step 4: Simplify right side
    12,448.97x = 68,744,868.83
  5. Step 5: Solve for x
    x = 68,744,868.83/12,448.97
  6. Step 6: Final answer
    x = 5,522.13

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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.