Home / 11,039.10-16,513.09-10,065.89

Finding the Fourth Proportional to 11,039.10, 16,513.09 and 10,065.89

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Solution

The fourth proportional to 11,039.10, 16,513.09 and 10,065.89 is: 15,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.10 : 16,513.09 = 10,065.89 : x
  2. Step 2: Convert to fraction form
    11,039.10/16,513.09 = 10,065.89/x
  3. Step 3: Cross multiply
    11,039.10x = 16,513.09 × 10,065.89
  4. Step 4: Simplify right side
    11,039.10x = 166,218,839.77
  5. Step 5: Solve for x
    x = 166,218,839.77/11,039.10
  6. Step 6: Final answer
    x = 15,057.28

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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.