Home / 11,885.33-16,401.89-6,580.24

Finding the Fourth Proportional to 11,885.33, 16,401.89 and 6,580.24

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Solution

The fourth proportional to 11,885.33, 16,401.89 and 6,580.24 is: 9,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.33 : 16,401.89 = 6,580.24 : x
  2. Step 2: Convert to fraction form
    11,885.33/16,401.89 = 6,580.24/x
  3. Step 3: Cross multiply
    11,885.33x = 16,401.89 × 6,580.24
  4. Step 4: Simplify right side
    11,885.33x = 107,928,372.65
  5. Step 5: Solve for x
    x = 107,928,372.65/11,885.33
  6. Step 6: Final answer
    x = 9,080.81

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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.