Home / 11,761.36-16,230.10-6,456.08

Finding the Fourth Proportional to 11,761.36, 16,230.10 and 6,456.08

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Solution

The fourth proportional to 11,761.36, 16,230.10 and 6,456.08 is: 8,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.36 : 16,230.10 = 6,456.08 : x
  2. Step 2: Convert to fraction form
    11,761.36/16,230.10 = 6,456.08/x
  3. Step 3: Cross multiply
    11,761.36x = 16,230.10 × 6,456.08
  4. Step 4: Simplify right side
    11,761.36x = 104,782,824.01
  5. Step 5: Solve for x
    x = 104,782,824.01/11,761.36
  6. Step 6: Final answer
    x = 8,909.07

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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.