Home / 10,908.36-16,343.73-5,981.49

Finding the Fourth Proportional to 10,908.36, 16,343.73 and 5,981.49

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Solution

The fourth proportional to 10,908.36, 16,343.73 and 5,981.49 is: 8,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.36 : 16,343.73 = 5,981.49 : x
  2. Step 2: Convert to fraction form
    10,908.36/16,343.73 = 5,981.49/x
  3. Step 3: Cross multiply
    10,908.36x = 16,343.73 × 5,981.49
  4. Step 4: Simplify right side
    10,908.36x = 97,759,857.56
  5. Step 5: Solve for x
    x = 97,759,857.56/10,908.36
  6. Step 6: Final answer
    x = 8,961.92

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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.