Home / 43,909.17-65,863.93-10,629.18

Finding the Fourth Proportional to 43,909.17, 65,863.93 and 10,629.18

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Solution

The fourth proportional to 43,909.17, 65,863.93 and 10,629.18 is: 15,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.17 : 65,863.93 = 10,629.18 : x
  2. Step 2: Convert to fraction form
    43,909.17/65,863.93 = 10,629.18/x
  3. Step 3: Cross multiply
    43,909.17x = 65,863.93 × 10,629.18
  4. Step 4: Simplify right side
    43,909.17x = 700,079,684.33
  5. Step 5: Solve for x
    x = 700,079,684.33/43,909.17
  6. Step 6: Final answer
    x = 15,943.81

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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.