Home / 11,957.54-16,500.72-6,651.32

Finding the Fourth Proportional to 11,957.54, 16,500.72 and 6,651.32

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Solution

The fourth proportional to 11,957.54, 16,500.72 and 6,651.32 is: 9,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.54 : 16,500.72 = 6,651.32 : x
  2. Step 2: Convert to fraction form
    11,957.54/16,500.72 = 6,651.32/x
  3. Step 3: Cross multiply
    11,957.54x = 16,500.72 × 6,651.32
  4. Step 4: Simplify right side
    11,957.54x = 109,751,568.95
  5. Step 5: Solve for x
    x = 109,751,568.95/11,957.54
  6. Step 6: Final answer
    x = 9,178.44

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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.