Home / 12,587.59-17,370.82-6,922.68

Finding the Fourth Proportional to 12,587.59, 17,370.82 and 6,922.68

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Solution

The fourth proportional to 12,587.59, 17,370.82 and 6,922.68 is: 9,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.59 : 17,370.82 = 6,922.68 : x
  2. Step 2: Convert to fraction form
    12,587.59/17,370.82 = 6,922.68/x
  3. Step 3: Cross multiply
    12,587.59x = 17,370.82 × 6,922.68
  4. Step 4: Simplify right side
    12,587.59x = 120,252,593.58
  5. Step 5: Solve for x
    x = 120,252,593.58/12,587.59
  6. Step 6: Final answer
    x = 9,553.27

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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.