Home / 11,778.36-16,254.15-6,473.49

Finding the Fourth Proportional to 11,778.36, 16,254.15 and 6,473.49

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Solution

The fourth proportional to 11,778.36, 16,254.15 and 6,473.49 is: 8,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.36 : 16,254.15 = 6,473.49 : x
  2. Step 2: Convert to fraction form
    11,778.36/16,254.15 = 6,473.49/x
  3. Step 3: Cross multiply
    11,778.36x = 16,254.15 × 6,473.49
  4. Step 4: Simplify right side
    11,778.36x = 105,221,077.48
  5. Step 5: Solve for x
    x = 105,221,077.48/11,778.36
  6. Step 6: Final answer
    x = 8,933.42

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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.