Home / 11,822.56-16,316.61-6,788.36

Finding the Fourth Proportional to 11,822.56, 16,316.61 and 6,788.36

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Solution

The fourth proportional to 11,822.56, 16,316.61 and 6,788.36 is: 9,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.56 : 16,316.61 = 6,788.36 : x
  2. Step 2: Convert to fraction form
    11,822.56/16,316.61 = 6,788.36/x
  3. Step 3: Cross multiply
    11,822.56x = 16,316.61 × 6,788.36
  4. Step 4: Simplify right side
    11,822.56x = 110,763,022.66
  5. Step 5: Solve for x
    x = 110,763,022.66/11,822.56
  6. Step 6: Final answer
    x = 9,368.78

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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.