Home / 12,550.20-17,318.52-6,961.20

Finding the Fourth Proportional to 12,550.20, 17,318.52 and 6,961.20

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Solution

The fourth proportional to 12,550.20, 17,318.52 and 6,961.20 is: 9,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.20 : 17,318.52 = 6,961.20 : x
  2. Step 2: Convert to fraction form
    12,550.20/17,318.52 = 6,961.20/x
  3. Step 3: Cross multiply
    12,550.20x = 17,318.52 × 6,961.20
  4. Step 4: Simplify right side
    12,550.20x = 120,557,681.42
  5. Step 5: Solve for x
    x = 120,557,681.42/12,550.20
  6. Step 6: Final answer
    x = 9,606.04

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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.