Home / 12,331.31-16,996.76-8,741.65

Finding the Fourth Proportional to 12,331.31, 16,996.76 and 8,741.65

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Solution

The fourth proportional to 12,331.31, 16,996.76 and 8,741.65 is: 12,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.31 : 16,996.76 = 8,741.65 : x
  2. Step 2: Convert to fraction form
    12,331.31/16,996.76 = 8,741.65/x
  3. Step 3: Cross multiply
    12,331.31x = 16,996.76 × 8,741.65
  4. Step 4: Simplify right side
    12,331.31x = 148,579,727.05
  5. Step 5: Solve for x
    x = 148,579,727.05/12,331.31
  6. Step 6: Final answer
    x = 12,048.98

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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.