Home / 6,614.21-9,127.80-3,630.35

Finding the Fourth Proportional to 6,614.21, 9,127.80 and 3,630.35

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Solution

The fourth proportional to 6,614.21, 9,127.80 and 3,630.35 is: 5,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.21 : 9,127.80 = 3,630.35 : x
  2. Step 2: Convert to fraction form
    6,614.21/9,127.80 = 3,630.35/x
  3. Step 3: Cross multiply
    6,614.21x = 9,127.80 × 3,630.35
  4. Step 4: Simplify right side
    6,614.21x = 33,137,108.73
  5. Step 5: Solve for x
    x = 33,137,108.73/6,614.21
  6. Step 6: Final answer
    x = 5,009.99

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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.