Home / 9,384.45-14,067.55-5,220.64

Finding the Fourth Proportional to 9,384.45, 14,067.55 and 5,220.64

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Solution

The fourth proportional to 9,384.45, 14,067.55 and 5,220.64 is: 7,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.45 : 14,067.55 = 5,220.64 : x
  2. Step 2: Convert to fraction form
    9,384.45/14,067.55 = 5,220.64/x
  3. Step 3: Cross multiply
    9,384.45x = 14,067.55 × 5,220.64
  4. Step 4: Simplify right side
    9,384.45x = 73,441,614.23
  5. Step 5: Solve for x
    x = 73,441,614.23/9,384.45
  6. Step 6: Final answer
    x = 7,825.88

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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.