Home / 12,732.35-17,559.86-8,195.72

Finding the Fourth Proportional to 12,732.35, 17,559.86 and 8,195.72

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Solution

The fourth proportional to 12,732.35, 17,559.86 and 8,195.72 is: 11,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.35 : 17,559.86 = 8,195.72 : x
  2. Step 2: Convert to fraction form
    12,732.35/17,559.86 = 8,195.72/x
  3. Step 3: Cross multiply
    12,732.35x = 17,559.86 × 8,195.72
  4. Step 4: Simplify right side
    12,732.35x = 143,915,567.02
  5. Step 5: Solve for x
    x = 143,915,567.02/12,732.35
  6. Step 6: Final answer
    x = 11,303.15

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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.