Home / 7,468.20-10,309.12-5,453.43

Finding the Fourth Proportional to 7,468.20, 10,309.12 and 5,453.43

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Solution

The fourth proportional to 7,468.20, 10,309.12 and 5,453.43 is: 7,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.20 : 10,309.12 = 5,453.43 : x
  2. Step 2: Convert to fraction form
    7,468.20/10,309.12 = 5,453.43/x
  3. Step 3: Cross multiply
    7,468.20x = 10,309.12 × 5,453.43
  4. Step 4: Simplify right side
    7,468.20x = 56,220,042.66
  5. Step 5: Solve for x
    x = 56,220,042.66/7,468.20
  6. Step 6: Final answer
    x = 7,527.92

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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.