Home / 11,331.23-16,991.00-5,085.89

Finding the Fourth Proportional to 11,331.23, 16,991.00 and 5,085.89

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Solution

The fourth proportional to 11,331.23, 16,991.00 and 5,085.89 is: 7,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.23 : 16,991.00 = 5,085.89 : x
  2. Step 2: Convert to fraction form
    11,331.23/16,991.00 = 5,085.89/x
  3. Step 3: Cross multiply
    11,331.23x = 16,991.00 × 5,085.89
  4. Step 4: Simplify right side
    11,331.23x = 86,414,294.29
  5. Step 5: Solve for x
    x = 86,414,294.29/11,331.23
  6. Step 6: Final answer
    x = 7,626.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.