Home / 11,957.13-16,500.60-6,651.83

Finding the Fourth Proportional to 11,957.13, 16,500.60 and 6,651.83

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Solution

The fourth proportional to 11,957.13, 16,500.60 and 6,651.83 is: 9,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.13 : 16,500.60 = 6,651.83 : x
  2. Step 2: Convert to fraction form
    11,957.13/16,500.60 = 6,651.83/x
  3. Step 3: Cross multiply
    11,957.13x = 16,500.60 × 6,651.83
  4. Step 4: Simplify right side
    11,957.13x = 109,759,186.10
  5. Step 5: Solve for x
    x = 109,759,186.10/11,957.13
  6. Step 6: Final answer
    x = 9,179.39

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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.