Home / 11,778.24-16,255.44-6,810.24

Finding the Fourth Proportional to 11,778.24, 16,255.44 and 6,810.24

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Solution

The fourth proportional to 11,778.24, 16,255.44 and 6,810.24 is: 9,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.24 : 16,255.44 = 6,810.24 : x
  2. Step 2: Convert to fraction form
    11,778.24/16,255.44 = 6,810.24/x
  3. Step 3: Cross multiply
    11,778.24x = 16,255.44 × 6,810.24
  4. Step 4: Simplify right side
    11,778.24x = 110,703,447.71
  5. Step 5: Solve for x
    x = 110,703,447.71/11,778.24
  6. Step 6: Final answer
    x = 9,398.98

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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.