Home / 11,805.24-16,291.10-6,499.96

Finding the Fourth Proportional to 11,805.24, 16,291.10 and 6,499.96

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Solution

The fourth proportional to 11,805.24, 16,291.10 and 6,499.96 is: 8,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.24 : 16,291.10 = 6,499.96 : x
  2. Step 2: Convert to fraction form
    11,805.24/16,291.10 = 6,499.96/x
  3. Step 3: Cross multiply
    11,805.24x = 16,291.10 × 6,499.96
  4. Step 4: Simplify right side
    11,805.24x = 105,891,498.36
  5. Step 5: Solve for x
    x = 105,891,498.36/11,805.24
  6. Step 6: Final answer
    x = 8,969.87

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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.