Home / 11,031.03-16,566.49-6,879.10

Finding the Fourth Proportional to 11,031.03, 16,566.49 and 6,879.10

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Solution

The fourth proportional to 11,031.03, 16,566.49 and 6,879.10 is: 10,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.03 : 16,566.49 = 6,879.10 : x
  2. Step 2: Convert to fraction form
    11,031.03/16,566.49 = 6,879.10/x
  3. Step 3: Cross multiply
    11,031.03x = 16,566.49 × 6,879.10
  4. Step 4: Simplify right side
    11,031.03x = 113,962,541.36
  5. Step 5: Solve for x
    x = 113,962,541.36/11,031.03
  6. Step 6: Final answer
    x = 10,331.09

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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.