Home / 7,387.46-10,196.44-4,245.47

Finding the Fourth Proportional to 7,387.46, 10,196.44 and 4,245.47

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Solution

The fourth proportional to 7,387.46, 10,196.44 and 4,245.47 is: 5,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.46 : 10,196.44 = 4,245.47 : x
  2. Step 2: Convert to fraction form
    7,387.46/10,196.44 = 4,245.47/x
  3. Step 3: Cross multiply
    7,387.46x = 10,196.44 × 4,245.47
  4. Step 4: Simplify right side
    7,387.46x = 43,288,618.53
  5. Step 5: Solve for x
    x = 43,288,618.53/7,387.46
  6. Step 6: Final answer
    x = 5,859.75

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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.