Home / 11,142.21-16,701.79-3,744.17

Finding the Fourth Proportional to 11,142.21, 16,701.79 and 3,744.17

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Solution

The fourth proportional to 11,142.21, 16,701.79 and 3,744.17 is: 5,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.21 : 16,701.79 = 3,744.17 : x
  2. Step 2: Convert to fraction form
    11,142.21/16,701.79 = 3,744.17/x
  3. Step 3: Cross multiply
    11,142.21x = 16,701.79 × 3,744.17
  4. Step 4: Simplify right side
    11,142.21x = 62,534,373.46
  5. Step 5: Solve for x
    x = 62,534,373.46/11,142.21
  6. Step 6: Final answer
    x = 5,612.39

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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.