Home / 12,316.72-16,996.44-6,726.64

Finding the Fourth Proportional to 12,316.72, 16,996.44 and 6,726.64

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Solution

The fourth proportional to 12,316.72, 16,996.44 and 6,726.64 is: 9,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.72 : 16,996.44 = 6,726.64 : x
  2. Step 2: Convert to fraction form
    12,316.72/16,996.44 = 6,726.64/x
  3. Step 3: Cross multiply
    12,316.72x = 16,996.44 × 6,726.64
  4. Step 4: Simplify right side
    12,316.72x = 114,328,933.16
  5. Step 5: Solve for x
    x = 114,328,933.16/12,316.72
  6. Step 6: Final answer
    x = 9,282.42

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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.