Home / 11,309.49-16,962.68-7,922.03

Finding the Fourth Proportional to 11,309.49, 16,962.68 and 7,922.03

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Solution

The fourth proportional to 11,309.49, 16,962.68 and 7,922.03 is: 11,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.49 : 16,962.68 = 7,922.03 : x
  2. Step 2: Convert to fraction form
    11,309.49/16,962.68 = 7,922.03/x
  3. Step 3: Cross multiply
    11,309.49x = 16,962.68 × 7,922.03
  4. Step 4: Simplify right side
    11,309.49x = 134,378,735.42
  5. Step 5: Solve for x
    x = 134,378,735.42/11,309.49
  6. Step 6: Final answer
    x = 11,881.94

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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.