Home / 7,444.08-10,272.24-4,086.88

Finding the Fourth Proportional to 7,444.08, 10,272.24 and 4,086.88

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Solution

The fourth proportional to 7,444.08, 10,272.24 and 4,086.88 is: 5,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.08 : 10,272.24 = 4,086.88 : x
  2. Step 2: Convert to fraction form
    7,444.08/10,272.24 = 4,086.88/x
  3. Step 3: Cross multiply
    7,444.08x = 10,272.24 × 4,086.88
  4. Step 4: Simplify right side
    7,444.08x = 41,981,412.21
  5. Step 5: Solve for x
    x = 41,981,412.21/7,444.08
  6. Step 6: Final answer
    x = 5,639.57

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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.