Home / 12,757.16-19,135.22-4,439.08

Finding the Fourth Proportional to 12,757.16, 19,135.22 and 4,439.08

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Solution

The fourth proportional to 12,757.16, 19,135.22 and 4,439.08 is: 6,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.16 : 19,135.22 = 4,439.08 : x
  2. Step 2: Convert to fraction form
    12,757.16/19,135.22 = 4,439.08/x
  3. Step 3: Cross multiply
    12,757.16x = 19,135.22 × 4,439.08
  4. Step 4: Simplify right side
    12,757.16x = 84,942,772.40
  5. Step 5: Solve for x
    x = 84,942,772.40/12,757.16
  6. Step 6: Final answer
    x = 6,658.44

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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.