Home / 7,322.43-10,103.86-4,449.66

Finding the Fourth Proportional to 7,322.43, 10,103.86 and 4,449.66

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Solution

The fourth proportional to 7,322.43, 10,103.86 and 4,449.66 is: 6,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.43 : 10,103.86 = 4,449.66 : x
  2. Step 2: Convert to fraction form
    7,322.43/10,103.86 = 4,449.66/x
  3. Step 3: Cross multiply
    7,322.43x = 10,103.86 × 4,449.66
  4. Step 4: Simplify right side
    7,322.43x = 44,958,668.92
  5. Step 5: Solve for x
    x = 44,958,668.92/7,322.43
  6. Step 6: Final answer
    x = 6,139.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.