Home / 11,704.98-16,166.73-7,921.59

Finding the Fourth Proportional to 11,704.98, 16,166.73 and 7,921.59

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Solution

The fourth proportional to 11,704.98, 16,166.73 and 7,921.59 is: 10,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.98 : 16,166.73 = 7,921.59 : x
  2. Step 2: Convert to fraction form
    11,704.98/16,166.73 = 7,921.59/x
  3. Step 3: Cross multiply
    11,704.98x = 16,166.73 × 7,921.59
  4. Step 4: Simplify right side
    11,704.98x = 128,066,206.70
  5. Step 5: Solve for x
    x = 128,066,206.70/11,704.98
  6. Step 6: Final answer
    x = 10,941.17

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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.