Home / 12,585.25-17,367.65-6,996.25

Finding the Fourth Proportional to 12,585.25, 17,367.65 and 6,996.25

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Solution

The fourth proportional to 12,585.25, 17,367.65 and 6,996.25 is: 9,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.25 : 17,367.65 = 6,996.25 : x
  2. Step 2: Convert to fraction form
    12,585.25/17,367.65 = 6,996.25/x
  3. Step 3: Cross multiply
    12,585.25x = 17,367.65 × 6,996.25
  4. Step 4: Simplify right side
    12,585.25x = 121,508,421.31
  5. Step 5: Solve for x
    x = 121,508,421.31/12,585.25
  6. Step 6: Final answer
    x = 9,654.83

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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.