Home / 43,991.56-65,987.47-10,711.62

Finding the Fourth Proportional to 43,991.56, 65,987.47 and 10,711.62

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Solution

The fourth proportional to 43,991.56, 65,987.47 and 10,711.62 is: 16,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991.56 : 65,987.47 = 10,711.62 : x
  2. Step 2: Convert to fraction form
    43,991.56/65,987.47 = 10,711.62/x
  3. Step 3: Cross multiply
    43,991.56x = 65,987.47 × 10,711.62
  4. Step 4: Simplify right side
    43,991.56x = 706,832,703.40
  5. Step 5: Solve for x
    x = 706,832,703.40/43,991.56
  6. Step 6: Final answer
    x = 16,067.46

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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.