Home / 35,747.31-53,619.62-10,786.70

Finding the Fourth Proportional to 35,747.31, 53,619.62 and 10,786.70

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Solution

The fourth proportional to 35,747.31, 53,619.62 and 10,786.70 is: 16,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.31 : 53,619.62 = 10,786.70 : x
  2. Step 2: Convert to fraction form
    35,747.31/53,619.62 = 10,786.70/x
  3. Step 3: Cross multiply
    35,747.31x = 53,619.62 × 10,786.70
  4. Step 4: Simplify right side
    35,747.31x = 578,378,755.05
  5. Step 5: Solve for x
    x = 578,378,755.05/35,747.31
  6. Step 6: Final answer
    x = 16,179.64

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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.