Home / 11,964.77-16,511.20-6,928.59

Finding the Fourth Proportional to 11,964.77, 16,511.20 and 6,928.59

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Solution

The fourth proportional to 11,964.77, 16,511.20 and 6,928.59 is: 9,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.77 : 16,511.20 = 6,928.59 : x
  2. Step 2: Convert to fraction form
    11,964.77/16,511.20 = 6,928.59/x
  3. Step 3: Cross multiply
    11,964.77x = 16,511.20 × 6,928.59
  4. Step 4: Simplify right side
    11,964.77x = 114,399,317.89
  5. Step 5: Solve for x
    x = 114,399,317.89/11,964.77
  6. Step 6: Final answer
    x = 9,561.35

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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.